Omega Seamaster Seamaster Master Co-Axial 39.5 Swiss Edition Stainless Steel / Silver / Alligator

Reference 511.13.40.20.06.002

Omega Seamaster Master Co-Axial 39.5 Swiss Edition Stainless Steel / Silver / Alligator

About this watch

The Omega Seamaster Master Co-Axial 39.5 Swiss Edition is a masterpiece of luxury watchmaking, blending traditional craftsmanship with cutting-edge technology. This stunning timepiece boasts a gradient grey dial with stick and dot indexes, feuille hands, and a round shape that exudes elegance. The movement powering this watch is the impressive Omega caliber 8800, featuring a self-winding mechanism with a Co-Axial escapement for precision and longevity. Master Chronometer certification ensures accuracy and performance under various conditions, while the power reserve of 55 hours allows you to take it off for extended periods without worrying about winding. The comfortable alligator leather strap adds a luxurious touch, making this watch perfect for daily wear or special occasions. With its exceptional timekeeping precision, date function, and water resistance rating of 60 meters, the Seamaster Master Co-Axial is an investment piece that offers great value for those looking to expand their luxury watch collection. Its elegant design and advanced movement make it a standout piece in Omega's impressive lineup.
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Key Features

  • Gradient grey dial
  • Omega caliber 8800 self-winding movement with Co-Axial escapement
  • Master Chronometer certification for accuracy
  • 55-hour power reserve
  • Comfortable alligator leather strap
  • Water resistance rating of 60 meters
  • Date function

Specifications

Brand
Omega
Family
Seamaster
Model
Seamaster Master Co-Axial 39.5 Swiss Edition Stainless Steel / Silver / Alligator
Reference
511.13.40.20.06.002
Movement
8800
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
Stainless Steel 39.5mm
Dial Color
Grey
Crystal
Sapphire
Water Resistance
60

Current Listings

[WTS] 2022 Omega Seamaster Diver 300M 210.30.42.20.03.001 Blue Full Set - $4,495

2022 Omega Seamaster Diver 300M 210.30.42.20.03.001 Blue Full Set - $4,495

Omega - 210.30.42.20.03.001 · $4,495
This is a listing for a 2022 Omega Seamaster Diver 300M in blue, which features a specific set of details.

  • Full set: yes
Posted at
May 7, 2026, 11:54 AM
Active
View listing on r/WatchExchange
[WTS] 2024 Omega Seamaster Diver 300M 210.30.42.20.10.001 Green Seaweed Full Set - $5,395

2024 Omega Seamaster Diver 300M 210.30.42.20.10.001 Green Seaweed Full Set - $5,395

Omega - 210.30.42.20.10.001 · $5,395
This Omega Seamaster Diver 300M is a 2024 model featuring a Green Seaweed design. It's in excellent condition and thoroughly tested on a timegrapher.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2024
  • Box Contents: Watch,Inner & Outer Box,Card Holder,International Warranty Card,Pictograms Card,Master Chronometer Card,Instructions Manual
  • Shipping Insurance: fully insured
Posted at
May 7, 2026, 11:53 AM
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[WTS] Omega Seamaster 2503.80.00 “First Gen Aqua Terra” 39.2mm — Blue Sunburst Dial — Cal. 2500 Co-Axial (Fresh Service) — $2,750 Shipped (Tariff Covered)

Omega Seamaster 2503.80.00 “First Gen Aqua Terra” 39.2mm — Blue Sunburst Dial — Cal. 2500 Co-Axial (Fresh Service) — $2,750 Shipped (Tariff Covered)

Omega - 2503.80.00 · $2,750
A First Gen Aqua Terra Omega Seamaster with a blue sunburst dial and Cal. 2500 co-axial movement, recently serviced.

  • Case Size: 39.2mm
  • Movement: Calibre 2500 co-axial
  • Service Status: Fresh Service
Posted at
May 7, 2026, 10:36 AM
Active
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[WTS] 1964 Omega Seamaster 30 - Singapore Air Force Provenance

1964 Omega Seamaster 30 - Singapore Air Force Provenance

Omega - 135.007-64 · $3,200
A 1964 Omega Seamaster 30 with military provenance, issued to Singapore Air Defence Command personnel and featuring a black dial with original lume and an engraved hippocampus.

  • Condition: Excellent, well-maintained condition
  • Case Size: 35mm diameter
  • Lug Width: 18mm
  • Lug To Lug: ~42mm
Posted at
May 7, 2026, 10:32 AM
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[WTS] Omega Seamaster Professional 300M Ref. 2255.80 Electric Blue Dial | Box | $2650 (SERVICED)

Omega Seamaster Professional 300M Ref. 2255.80 Electric Blue Dial | Box | $2650 (SERVICED)

Omega - 2255.80 · $2,650
This Omega Seamaster Professional 300M ref. 2255.80 features a distinctive electric blue dial, 300m water resistance, and a chronometer movement.

  • Condition: Excellent
  • Case dimensions: * 41mm excluding crown * ~47mm lug-to-lug * ~12mm thickness
  • Lug width: 20mm
  • Bracelet length: up to 18.6cm
Posted at
May 7, 2026, 10:19 AM
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[WTS] 1969 Omega Seamaster Chronometer Ref. 168.024 | Onyx Markers | Unpolished and Spotless Dial | All Original (SERVICED)

1969 Omega Seamaster Chronometer Ref. 168.024 | Onyx Markers | Unpolished and Spotless Dial | All Original (SERVICED)

Omega - 168.024 · $1,500
This is a 1969 Omega Seamaster Chronometer with an understated reference that checks all the boxes for vintage Omega collectors.

  • Condition: Excellent vintage condition
  • Case Diameter: 34.5 mm
  • Lug To Lug: 42mm
  • Thickness: 11mm
Posted at
May 7, 2026, 9:52 AM
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[WTS] Omega Seamaster Planet Ocean 43.5MM Blue 215.30.44.21.03.001 - Box and Ebay Authentication Card - $4450

Omega Seamaster Planet Ocean 43.5MM Blue 215.30.44.21.03.001 - Box and Ebay Authentication Card - $4450

Omega - 215.30.44.21.03.001 · $4,450
The Omega Seamaster Planet Ocean is a stainless steel watch with a blue ZrO₂ ceramic dial, powered by the Caliber 8900 Co-Axial Master Chronometer movement. It has a 43.5mm case diameter, a ceramic bezel, and a water resistance rating of 600m/2000ft.

  • Condition: Excellent overall, with light surface wear and minor hairlines
  • Depth rating: 600m
  • Movement: Caliber 8900 Co-Axial Master Chronometer
  • Water resistance: 2000ft
Posted at
May 7, 2026, 7:35 AM
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[WTS][US] Omega Seamaster Professional 300m - Green Dial - 210.30.42.20.10.001 - Full Set

[US] Omega Seamaster Professional 300m - Green Dial - 210.30.42.20.10.001 - Full Set

Omega - 210.30.42.20.10.001 · $5,525
This is an Omega Seamaster Professional 300m with a green dial and 42mm case size.

  • Condition: Fantastic condition with minor hairlines on clasp, case, and bracelet
  • Case size: 42mm
  • Depth rating: 300m
Posted at
May 7, 2026, 6:58 AM
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[WTS][US] Omega Seamaster Planet Ocean 600m - Black Dial - 45.5mm - 232.30.46.21.01.001 - Full Set

[US] Omega Seamaster Planet Ocean 600m - Black Dial - 45.5mm - 232.30.46.21.01.001 - Full Set

Omega - 232.30.46.21.01.001 · $4,425
This Omega Seamaster Planet Ocean features a black dial and measures 45.5mm in diameter.

  • Condition: Fantastic condition with minor hairlines on case, clasp, or bracelet
  • Case diameter: 45.5mm
  • Water resistance: 600m
Posted at
May 7, 2026, 6:33 AM
Active
View listing on r/WatchExchange