cosc-chronometer-standards

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[ w/Box, Paper ] TISSOT T-Complication COSC Chronometer Hand Wind Watch T070406A
[ w/Box, Paper ] TISSOT T-Complication COSC Chronometer Hand Wind Watch T070406A

$570.00

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Baume & Mercier Clifton Baumatic COSC Automatic Steel Mens Watch M0A10467
Baume & Mercier Clifton Baumatic COSC Automatic Steel Mens Watch M0A10467

$2495.00

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Ball Engineer Hydrocarbon AeroGMT Automatic Watch COSC Chronometer Black Brown
Ball Engineer Hydrocarbon AeroGMT Automatic Watch COSC Chronometer Black Brown

$1799.10

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Ball Engineer III Tiffany Blue Rainbow Chronometer COSC Watch NM9026C-S44C-TQR
Ball Engineer III Tiffany Blue Rainbow Chronometer COSC Watch NM9026C-S44C-TQR

$2200.00

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Norqain Independence COSC Green Dial Men’s Swiss Automatic Watch
Norqain Independence COSC Green Dial Men’s Swiss Automatic Watch

$2150.00

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Invicta Swiss Made Titanium Zeus Bolt Meteorite Dial COSC Chrono Watch 12727
Invicta Swiss Made Titanium Zeus Bolt Meteorite Dial COSC Chrono Watch 12727

$449.00

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Ball for BMW Automatic GMT Watch COSC Chronometer Black Dial GM3010C-SCJ-BK
Ball for BMW Automatic GMT Watch COSC Chronometer Black Dial GM3010C-SCJ-BK

$1619.10

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SWISS VINTAGE OMEGA CONSTELLATION REF 168.004 AUTOMATIC DATE COSC GENTS WATCH
SWISS VINTAGE OMEGA CONSTELLATION REF 168.004 AUTOMATIC DATE COSC GENTS WATCH

$1100.00

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Mido Commander Icone M031.631.11.031.00 COSC Certified Chronometer
Mido Commander Icone M031.631.11.031.00 COSC Certified Chronometer

$726.00

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TISSOT Heritage 1938 Automatic COSC 39MM Men's Watch T142.464.16.032.00
TISSOT Heritage 1938 Automatic COSC 39MM Men's Watch T142.464.16.032.00

$711.55

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Ball Engineer Master III Ø36mm COSC Chronometer NL9616C-S1C limited ed 1000pcs
Ball Engineer Master III Ø36mm COSC Chronometer NL9616C-S1C limited ed 1000pcs

$2350.00

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NEW BALL ENGINEER III OUTLIER GMT COSC 40MM WHITE DIAL 1000 GAUSS DG9000B-S1C-WH
NEW BALL ENGINEER III OUTLIER GMT COSC 40MM WHITE DIAL 1000 GAUSS DG9000B-S1C-WH

$2750.00

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EBEL 1911 Automatic COSC Certified Chronometer 41mm – E9120L41
EBEL 1911 Automatic COSC Certified Chronometer 41mm – E9120L41

$1295.00

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Rolex Oyster Perpetual COSC Certified Self-Winding Domed Smooth Bezel Mens Watch
Rolex Oyster Perpetual COSC Certified Self-Winding Domed Smooth Bezel Mens Watch

$11095.00

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Baume & Mercier Clifton Baumatic COSC Automatic Green Dial Mens Watch M0A10592
Baume & Mercier Clifton Baumatic COSC Automatic Green Dial Mens Watch M0A10592

$2499.00

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Rado Coupole Classic Automatic COSC Blue Dial Tan Leather Mens Watch R22880205
Rado Coupole Classic Automatic COSC Blue Dial Tan Leather Mens Watch R22880205

$1449.00

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Tissot Ballade T108.408.11.057.00 Powermatic 80 Automatic COSC Watch +FreePost
Tissot Ballade T108.408.11.057.00 Powermatic 80 Automatic COSC Watch +FreePost

$1498.00

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NEW BALL ENGINEER III MARVELIGHT COSC 40MM CHAMPAGNE DIAL NM9026C-S39CJ-CH
NEW BALL ENGINEER III MARVELIGHT COSC 40MM CHAMPAGNE DIAL NM9026C-S39CJ-CH

$1950.00

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NEW BALL ENGINEER III MARVELIGHT COSC 40 DAY DATE BLUE DIAL NM9036C-S1C-BE
NEW BALL ENGINEER III MARVELIGHT COSC 40 DAY DATE BLUE DIAL NM9036C-S1C-BE

$1975.00

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Christopher Ward The TWELVE (Ti) 40mm ASTRAL BLUE .TITANIUM , COSC Rubber strap
Christopher Ward The TWELVE (Ti) 40mm ASTRAL BLUE .TITANIUM , COSC Rubber strap

$1328.00

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RADO Coupole Classic R22881025 COSC Chronometer
RADO Coupole Classic R22881025 COSC Chronometer

$1300.00

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Tissot Ballade COSC Powermatic 80 Silicium Watch 2 Bracelets T108.408.22.278.00
Tissot Ballade COSC Powermatic 80 Silicium Watch 2 Bracelets T108.408.22.278.00

$639.01

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NEW BALL ENGINEER III MARVELIGHT COSC 40MM GREEN DIAL NM9026C-S6CJ-GR
NEW BALL ENGINEER III MARVELIGHT COSC 40MM GREEN DIAL NM9026C-S6CJ-GR

$1895.00

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NEW BALL ENGINEER HYRDOCARBON DEEPQUEST II CERAMIC GREEN COSC DM3002A-S4CJ-GR
NEW BALL ENGINEER HYRDOCARBON DEEPQUEST II CERAMIC GREEN COSC DM3002A-S4CJ-GR

$2495.00

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NEW BALL ENGINEER III MARVELIGHT COSC 40 DAY DATE GREEN DIAL NM9036C-S1C-GRR
NEW BALL ENGINEER III MARVELIGHT COSC 40 DAY DATE GREEN DIAL NM9036C-S1C-GRR

$1995.00

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Ball Engineer Master II Ø40mm COSC Endurance 1917 NM3000C-S2C limited ed 1000pcs
Ball Engineer Master II Ø40mm COSC Endurance 1917 NM3000C-S2C limited ed 1000pcs

$1800.00

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[Paper] Breitling Avenger Seawolf 45mm COSC Quartz Chronograph Black A73390 2011
[Paper] Breitling Avenger Seawolf 45mm COSC Quartz Chronograph Black A73390 2011

$2650.00

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Tissot Le Locle Automatic COSC Chronometer Men's Swiss Made Automatic Watch NEW
Tissot Le Locle Automatic COSC Chronometer Men's Swiss Made Automatic Watch NEW

$699.99

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Cyma Swiss Imperium XL GMT COSC CERTIFIED CHRONOMETER Automatic Limited Edition
Cyma Swiss Imperium XL GMT COSC CERTIFIED CHRONOMETER Automatic Limited Edition

$2499.00

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Breitling Avenger Caliber 17 COSC Certified 38hr Reserve Men's Swiss Watch
Breitling Avenger Caliber 17 COSC Certified 38hr Reserve Men's Swiss Watch

$3139.60

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Breitling New Super Avenger Black Face Caliber B13 COSC Certified Men's Watch
Breitling New Super Avenger Black Face Caliber B13 COSC Certified Men's Watch

$4350.00

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Ball Engineer Master II Ø40mm COSC Endurance 1917 NM3000C-S2C limited ed 1000pcs
Ball Engineer Master II Ø40mm COSC Endurance 1917 NM3000C-S2C limited ed 1000pcs

$1800.00

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🇨🇭🤿🟠⚫️ Zodiac Super Sea Wolf 68 Saturation COSC "Blaze" ⚫️🟠🤿🇨🇭
🇨🇭🤿🟠⚫️ Zodiac Super Sea Wolf 68 Saturation COSC "Blaze" ⚫️🟠🤿🇨🇭

$2222.00

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Ball Engineer Master II Ø40mm COSC Endurance 1917 NM3000C-S2C limited ed 1000pcs
Ball Engineer Master II Ø40mm COSC Endurance 1917 NM3000C-S2C limited ed 1000pcs

$1800.00

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NEW BALL ENGINEER III MARVELIGHT COSC 40MM ICE BLUE DIAL NM9026C-S6CJ-IBE
NEW BALL ENGINEER III MARVELIGHT COSC 40MM ICE BLUE DIAL NM9026C-S6CJ-IBE

$1895.00

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Tissot Ballade T108.408.16.057.00 Powermatic 80 COSC Men's Watch +FreePost
Tissot Ballade T108.408.16.057.00 Powermatic 80 COSC Men's Watch +FreePost

$1298.00

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New Ball Ø 40mm Engineer III Ohio Chronometer NM9026C-S5CJ-BE COSC 15 gas tubes
New Ball Ø 40mm Engineer III Ohio Chronometer NM9026C-S5CJ-BE COSC 15 gas tubes

$2218.00

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Invicta 17284 Speedway COSC Swiss Made ETA 251.264 27 Jewel Chronometer Watch
Invicta 17284 Speedway COSC Swiss Made ETA 251.264 27 Jewel Chronometer Watch

$549.99

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Parmigiani Toric Qualite Fleurier 18k White Gold Automatic 40.8mm Men's Watch
Parmigiani Toric Qualite Fleurier 18k White Gold Automatic 40.8mm Men's Watch

$15950.00

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Ball Engineer Master II Ø40mm COSC Endurance 1917 NM3000C-S2C limited ed 1000pcs
Ball Engineer Master II Ø40mm COSC Endurance 1917 NM3000C-S2C limited ed 1000pcs

$1800.00

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NEW BALL ENGINEER III OUTLIER GMT COSC 40MM BLACK DIAL 1000 GAUSS DG9000B-S1C-BK
NEW BALL ENGINEER III OUTLIER GMT COSC 40MM BLACK DIAL 1000 GAUSS DG9000B-S1C-BK

$2750.00

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NEW BALL ENGINEER III OUTLIER GMT COSC 40MM BLACK DIAL 1000 GAUSS DG9002B-S1C-BK
NEW BALL ENGINEER III OUTLIER GMT COSC 40MM BLACK DIAL 1000 GAUSS DG9002B-S1C-BK

$2950.00

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NEW BALL ENGINEER III MARVELIGHT COSC 40 DAY DATE ICE BLUE DIAL NM9036C-S1C-IBER
NEW BALL ENGINEER III MARVELIGHT COSC 40 DAY DATE ICE BLUE DIAL NM9036C-S1C-IBER

$1995.00

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Tissot T1424641606200 Automatic Watch 1938 Heritage 39mm COSC Anthracite Dial
Tissot T1424641606200 Automatic Watch 1938 Heritage 39mm COSC Anthracite Dial

$689.00

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NEW BALL ENGINEER III ENDURANCE 1917 GMT COSC 41MM ICE BLUE DIAL GM9100C-S2C-IBE
NEW BALL ENGINEER III ENDURANCE 1917 GMT COSC 41MM ICE BLUE DIAL GM9100C-S2C-IBE

$2275.00

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PAUL PICOT GENEVE PLONGEUR C TYPE CHRONOGRAPH 4030 COSC TITANIUM 49MM WARRANTY
PAUL PICOT GENEVE PLONGEUR C TYPE CHRONOGRAPH 4030 COSC TITANIUM 49MM WARRANTY

$4500.00

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Rolex Daytona Cosmograph RSC White 18K Yellow Gold Two-Tone Steel Watch 16523
Rolex Daytona Cosmograph RSC White 18K Yellow Gold Two-Tone Steel Watch 16523

$14493.41

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Ball Ø 40mm Roadmaster Marine GMT Ceramic COSC DG3000A-S8CJ-WH titanium limit ED
Ball Ø 40mm Roadmaster Marine GMT Ceramic COSC DG3000A-S8CJ-WH titanium limit ED

$2864.00

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Mido 8340 - Automatic Chornometer COSC Certified Swiss Watch
Mido 8340 - Automatic Chornometer COSC Certified Swiss Watch

$713.98

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Ball Engineer Master II Skindiver Heritage COSC Ø 42mm DM3308A-S1C-BE blue dial
Ball Engineer Master II Skindiver Heritage COSC Ø 42mm DM3308A-S1C-BE blue dial

$2740.00

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Invicta 17195 Speedway COSC Swiss Made ETA 251.264 27 Jewel Chronometer Watch
Invicta 17195 Speedway COSC Swiss Made ETA 251.264 27 Jewel Chronometer Watch

$499.99

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Ball Ø42mm Engineer Hydrocarbon AeroGMT II cosc Driver DG2018C-S10C-BK 44 tubes
Ball Ø42mm Engineer Hydrocarbon AeroGMT II cosc Driver DG2018C-S10C-BK 44 tubes

$3250.00

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Mint Mido Ocean Star Diver 600 Automatic COSC, 80 hour power reserve
Mint Mido Ocean Star Diver 600 Automatic COSC, 80 hour power reserve

$950.00

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IWC Ingenieur Stainless Steel 40mm 2024 White Dial Watch IW328902 MSRP $12,000
IWC Ingenieur Stainless Steel 40mm 2024 White Dial Watch IW328902 MSRP $12,000

$8750.00

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Breitling Super Avenger Chrono Auto COSC Certified Men's Luxury Swiss Watch
Breitling Super Avenger Chrono Auto COSC Certified Men's Luxury Swiss Watch

$4225.30

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MINT Rolex GMT-Master II Stainless Steel Date Oyster Green 40mm Watch 116710 LN
MINT Rolex GMT-Master II Stainless Steel Date Oyster Green 40mm Watch 116710 LN

$10793.01

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Ball Engineer Master II Ø42mm COSC Diver Chronometer DM2280A-S1C Limited 1000pcs
Ball Engineer Master II Ø42mm COSC Diver Chronometer DM2280A-S1C Limited 1000pcs

$2350.00

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NEW BALL ENGINEER III MARVELIGHT COSC 40 DAY DATE GREEN DIAL NM9036C-S1C-GRR
NEW BALL ENGINEER III MARVELIGHT COSC 40 DAY DATE GREEN DIAL NM9036C-S1C-GRR

$1995.00

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genuine Ball Engineer Hydrocarbon Aero GMT II COSC Ø 40mm DG2118C-S9C-BK black
genuine Ball Engineer Hydrocarbon Aero GMT II COSC Ø 40mm DG2118C-S9C-BK black

$2820.00

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Rolex GMT-Master II 40mm Fat Lady Coke Red Black Patina Steel Watch 16760
Rolex GMT-Master II 40mm Fat Lady Coke Red Black Patina Steel Watch 16760

$9493.49

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Tissot Powermatic 80 Cosc ​​T108.408A Vintage Men's Watch Used Swiss Made
Tissot Powermatic 80 Cosc ​​T108.408A Vintage Men's Watch Used Swiss Made

$481.14

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Ball titanium Ø42mm helium release crown Hydrocarbon NEDU DC3226A-S3C-BE COSC
Ball titanium Ø42mm helium release crown Hydrocarbon NEDU DC3226A-S3C-BE COSC

$3850.00

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MINT Rolex Sea-Dweller Mark II 50th-Anniversary Red Steel 43mm Watch 126600
MINT Rolex Sea-Dweller Mark II 50th-Anniversary Red Steel 43mm Watch 126600

$11493.11

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Formex essence 39 blue with blue leather strap
Formex essence 39 blue with blue leather strap

$1045.00

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NEW Frederique Constant FC-303N4NH6B HIGHLIFE AUTOMATIC COSC MENS WATCH
NEW Frederique Constant FC-303N4NH6B HIGHLIFE AUTOMATIC COSC MENS WATCH

$2099.00

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1997 Rolex GMT-Master II 16710 40mm Coke Collector Set Watch Box Paperwork Tags
1997 Rolex GMT-Master II 16710 40mm Coke Collector Set Watch Box Paperwork Tags

$11595.00

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Rolex Oyster Perpetual 39mm RHODIUM Stainless Steel Automatic Watch 114300
Rolex Oyster Perpetual 39mm RHODIUM Stainless Steel Automatic Watch 114300

$6893.86

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Ball Engineer M Skindiver III Beyond COSC blue DD3100A-S1C-BE Ø41.5mm limited ed
Ball Engineer M Skindiver III Beyond COSC blue DD3100A-S1C-BE Ø41.5mm limited ed

$3460.00

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EBEL 1911 Discovery COSC Certified Chronometer Chronograph, stainless
EBEL 1911 Discovery COSC Certified Chronometer Chronograph, stainless

$2200.00

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Tissot Ballade T108.408.26.037.00 Powermatic 80 COSC Men's Watch +FreePost
Tissot Ballade T108.408.26.037.00 Powermatic 80 COSC Men's Watch +FreePost

$1348.00

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New Ball Ø 40mm Engineer III Ohio Chronometer NM9026C-S5CJ-SL COSC 15 gas tubes
New Ball Ø 40mm Engineer III Ohio Chronometer NM9026C-S5CJ-SL COSC 15 gas tubes

$2218.00

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Ball Ø 40mm Roadmaster Marine GMT Ceramic COSC DG3000A-S8CJ-BE titanium limit ED
Ball Ø 40mm Roadmaster Marine GMT Ceramic COSC DG3000A-S8CJ-BE titanium limit ED

$2864.00

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NEW BALL ENGINEER III MARVELIGHT CHRONOMETER 40MM RED DIAL NM9026C-S27C-RDR
NEW BALL ENGINEER III MARVELIGHT CHRONOMETER 40MM RED DIAL NM9026C-S27C-RDR

$1895.00

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Breitling Navitimer Aviator Super 8 Auto COSC Certified Movement Mens Timepiece
Breitling Navitimer Aviator Super 8 Auto COSC Certified Movement Mens Timepiece

$2721.30

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Rolex Sky-Dweller Two-Tone 18K Yellow Gold Steel Black 42mm 326933 Oyster Watch
Rolex Sky-Dweller Two-Tone 18K Yellow Gold Steel Black 42mm 326933 Oyster Watch

$15793.51

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Rolex Explorer II Polar White Steel NO-HOLES 40mm 2005
Rolex Explorer II Polar White Steel NO-HOLES 40mm 2005

$7500.00

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Ball Roadmaster Ocean Explorer Ø41mm cosc moon tide DM3120C-S1CJ-GR limit 1000
Ball Roadmaster Ocean Explorer Ø41mm cosc moon tide DM3120C-S1CJ-GR limit 1000

$2880.00

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Rolex DateJust 36mm Black DIAMOND Bark 18K Gold Two-Tone Stainless Watch 16013
Rolex DateJust 36mm Black DIAMOND Bark 18K Gold Two-Tone Stainless Watch 16013

$4393.34

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Rolex DateJust 36mm Steel Jubilee Silver Rhodium Roman Watch 16234 B+P Circa 200
Rolex DateJust 36mm Steel Jubilee Silver Rhodium Roman Watch 16234 B+P Circa 200

$6750.00

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Rolex GMT-Master PEPSI Stainless Steel Matte Red Blue Date Oyster 1675 Watch
Rolex GMT-Master PEPSI Stainless Steel Matte Red Blue Date Oyster 1675 Watch

$9993.01

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Rolex Yacht-Master Steel Platinum Stainless Steel 40mm Dive Watch 16622
Rolex Yacht-Master Steel Platinum Stainless Steel 40mm Dive Watch 16622

$8055.00

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Men's CYMA Power Reserve 40mm Imperium XL Steel Watch Limited to 200 Worldwide
Men's CYMA Power Reserve 40mm Imperium XL Steel Watch Limited to 200 Worldwide

$3899.00

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UNPOLISHED 1960's Heuer Carrera White Chronograph 2447D 35.5mm Steel Watch
UNPOLISHED 1960's Heuer Carrera White Chronograph 2447D 35.5mm Steel Watch

$7793.42

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MINT 2023 Rolex GMT-Master II 18K Rose Gold ROOT BEER 40mm Watch 126715 CHNR BOX
MINT 2023 Rolex GMT-Master II 18K Rose Gold ROOT BEER 40mm Watch 126715 CHNR BOX

$34993.43

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Rolex DateJust Turn-O-Graph 16263 Thunderbird 36mm Slate Two-Tone 18K Gold Watch
Rolex DateJust Turn-O-Graph 16263 Thunderbird 36mm Slate Two-Tone 18K Gold Watch

$5993.95

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MINT Rolex GMT-Master II BATMAN Oyster Stainless Steel 40mm 126710 BLNR BOX
MINT Rolex GMT-Master II BATMAN Oyster Stainless Steel 40mm 126710 BLNR BOX

$14793.41

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MINT 2023 PAPERS Rolex GMT-Master II 18K GOLD Jubilee 40mm Watch 126718 GRNR BOX
MINT 2023 PAPERS Rolex GMT-Master II 18K GOLD Jubilee 40mm Watch 126718 GRNR BOX

$39493.93

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Ball Engineer Master II Ø40mm COSC Endurance 1917 NM3000C-S2C limited ed 1000pcs
Ball Engineer Master II Ø40mm COSC Endurance 1917 NM3000C-S2C limited ed 1000pcs

$1800.00

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2024 Rolex Explorer II 226570 White w/ Box & Papers
2024 Rolex Explorer II 226570 White w/ Box & Papers

$11499.00

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Rolex Explorer II 16570 Black Dial 40mm Stainless Steel - Drilled lugs
Rolex Explorer II 16570 Black Dial 40mm Stainless Steel - Drilled lugs

$7460.00

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Rolex Day-Date President 40mm Silver Roman 18K Gold Watch 228238 + Green Dial
Rolex Day-Date President 40mm Silver Roman 18K Gold Watch 228238 + Green Dial

$34999.00

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MINT 1988 Rolex Day-Date President Champagne 36mm 18K Yellow Gold Watch 18038
MINT 1988 Rolex Day-Date President Champagne 36mm 18K Yellow Gold Watch 18038

$12993.21

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MINT PAPERS Rolex Yacht-Master II 44mm White Stainless Blue Watch 116680 BOX
MINT PAPERS Rolex Yacht-Master II 44mm White Stainless Blue Watch 116680 BOX

$15993.51

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Rolex Yacht-Master 40mm Rhodium Dial Platinum Stainless Steel Watch 126622 BOX
Rolex Yacht-Master 40mm Rhodium Dial Platinum Stainless Steel Watch 126622 BOX

$12993.21

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Baume & Mercier Clifton Baumatic COSC Automatic Black Leather Men Watch M0A10692
Baume & Mercier Clifton Baumatic COSC Automatic Black Leather Men Watch M0A10692

$2449.00

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Rolex Submariner Date 40mm Blue Two-Tone 18K Yellow Gold Stainless Watch 16613
Rolex Submariner Date 40mm Blue Two-Tone 18K Yellow Gold Stainless Watch 16613

$9093.09

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Rolex GMT-Master II 40mm Black Stainless Steel Date Automatic Oyster Watch 16710
Rolex GMT-Master II 40mm Black Stainless Steel Date Automatic Oyster Watch 16710

$9493.69

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MINT Rolex DateJust 36mm WHITE ROMAN Fluted JUBILEE Two-Tone Gold 116233 Watch
MINT Rolex DateJust 36mm WHITE ROMAN Fluted JUBILEE Two-Tone Gold 116233 Watch

$8093.08

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Ball Engineer II COSC Rainbow Ø43mm NM2028C-L28CJ-BK Titanium Limited 1000pcs
Ball Engineer II COSC Rainbow Ø43mm NM2028C-L28CJ-BK Titanium Limited 1000pcs

$2220.00

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Baume & Mercier Clifton Baumatic COSC Automatic Steel Date Mens Watch M0A10468
Baume & Mercier Clifton Baumatic COSC Automatic Steel Date Mens Watch M0A10468

$2520.00

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