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

Reference 511.13.40.20.06.002

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] Stellar 1969 Omega Seamaster Chronometer w/ Omega Bracelet đź©¶

Stellar 1969 Omega Seamaster Chronometer w/ Omega Bracelet đź©¶

Omega - 168.022 · $2,099
This is one of the most sought after Omega Seamaster Chronometer models due to its unique silver speckled dial, and it's in excellent condition with only minor hairline marks on the case and bracelet.

  • Condition: 9/10 condition for a 55+ year old vintage watch
  • Case width: 36mm
  • Lug to lug length: 45mm
  • Thickness: 10mm
Posted at
Apr 24, 2026, 12:26 PM
Active
[WTS] Omega Seamaster Professional 300M - White Wave Dial

Omega Seamaster Professional 300M - White Wave Dial

Omega - 210.32.42.20.04.001 · $3,895
This is a great pre-owned Omega Seamaster Professional Diver 300M featuring the highly desirable white wave dial on a rubber strap. It comes with box and papers dated 6/2023 and has everything functioning as it should.

  • Condition: pre-owned, light normal wear
  • Diameter: 42mm
  • Water Resistance: 300m
  • Bezel Insert Issue: aftermarket piece installed due to cracked ceramic insert
Posted at
Apr 24, 2026, 12:25 PM
Active
[WTS] NOS Omega Seamaster Planet Ocean 600 “Creamsicle” 43.5mm 2023 complete set LNIB

NOS Omega Seamaster Planet Ocean 600 “Creamsicle” 43.5mm 2023 complete set LNIB

Omega - 215.30.44.21.04.001 · $5,749
The Omega Seamaster Planet Ocean 600M is a true professional dive watch, combining rugged capability with refined Swiss engineering. It features a 43.5mm stainless steel case paired with a striking orange ceramic bezel and offers serious underwater performance while maintaining a bold, modern aesthetic.

  • Condition: Like New
  • Case Size: 43.5mm diameter
  • Water Resistance: 600m depth rating
  • Movement: Omega Caliber 8900 (Automatic, Co-Axial Master Chronometer)
Posted at
Apr 24, 2026, 12:23 PM
Active
[WTS] Omega Seamaster Automatic Chronometer Officially Certified 166.010/168.024 on BoR Bracelet | Great Condition (Serviced) | $1285

Omega Seamaster Automatic Chronometer Officially Certified 166.010/168.024 on BoR Bracelet | Great Condition (Serviced) | $1285

Omega - 166.010/168.024 · $1,285
The Omega Seamaster Date Ref. 168.024 is a perfect example of Omega’s refined mid-century design. This model represents the versatile side of the Seamaster line — elegant enough to be worn as a dress watch, yet with the durability and precision to handle everyday use.

  • Condition: Great, serviced condition with minor scratches
  • Movement caliber: Omega Caliber 564
  • Bracelet length: up to 18.5 cm (7.2 inches)
  • Case size: 35mm diameter
Posted at
Apr 24, 2026, 10:33 AM
Active
[WTS] 1958 Omega Seamaster Calendar w/ Arrowhead markers and rare big seahorse case ref 2849, serviced!! - $960 shipped!!

1958 Omega Seamaster Calendar w/ Arrowhead markers and rare big seahorse case ref 2849, serviced!! - $960 shipped!!

Omega - 2849 · $960
This is a vintage Omega Seamaster Calendar watch with an automatic winding movement, stainless steel case, and original buckle.

  • Condition: 9/10
  • Movement: Cal. 503
  • Case Material: Stainless steel
  • Case Size: 34.5mm diameter
Posted at
Apr 24, 2026, 9:42 AM
Active
[WTS] OMEGA Seamaster Diver 300M Master Chronometer Steel/Gold 210.20.44.51.03.001

OMEGA Seamaster Diver 300M Master Chronometer Steel/Gold 210.20.44.51.03.001

OMEGA - 210.20.44.51.03.001 · $9,450
The Omega Seamaster is a great watch to begin with, featuring a chronograph and blue dial in a two-tone case and bracelet.

  • Case material: steel/gold
  • Bracelet: two-tone
  • Dial color: blue
Posted at
Apr 24, 2026, 8:36 AM
Active
[WTS] 1958 Omega Seamaster Ref. 2846 w/ Cal 501 — Large Hippocampus Caseback — $999 OBO + label

1958 Omega Seamaster Ref. 2846 w/ Cal 501 — Large Hippocampus Caseback — $999 OBO + label

Omega - 2846 · $999
A 1958 Omega Seamaster with automatic movement, large hippocampus caseback and original silver sunburst dial. It has a stainless steel case and is on an aftermarket black snakeskin strap.

  • Condition: good considering the age
  • Case diameter: 34.5mm
  • Movement type: automatic
  • Age: 65
Posted at
Apr 23, 2026, 10:12 PM
Active
[WTS] Omega Seamaster 300M Co-Axial Mid-size 36mm 2222.80 - $2,190

Omega Seamaster 300M Co-Axial Mid-size 36mm 2222.80 - $2,190

Omega - 2222.80 · $2,190
The Omega Seamaster 300M Co-Axial Mid-size is a 36mm automatic watch with an Omega co-axial cal 2500 movement. It features a steel case on original Omega steel bracelet and has all functions working well.

  • Condition: Very good (8.9/10)
  • Case size: 36mm
  • Movement type: co-axial cal 2500
  • Bracelet length: up to 7-7.25 inch wrists
Posted at
Apr 23, 2026, 9:45 PM
Active
[WTS] Omega Seamaster Pro 300m Monochrome

Omega Seamaster Pro 300m Monochrome

Omega - 210.30.42.20.01.010 · $5,400
A beautiful Omega Seamaster Pro Monochrome in the no date variant, offering a more subtle and contemporary twist for daily wear or refined settings.

  • Condition: Overall great condition with minimal wear
  • Movement: Cal 8806
  • Accessories: Box & Papers
Posted at
Apr 23, 2026, 8:52 PM
Active