Omega Seamaster Seamaster Master Co-Axial 39.5 London Edition Stainless Steel / Blue / Alligator

Reference 511.13.40.20.03.001

Omega Seamaster Master Co-Axial 39.5 London Edition Stainless Steel / Blue / Alligator

About this watch

The Omega Seamaster Master Co-Axial 39.5 London Edition is a masterpiece of horology, blending stunning design with advanced technology and limited production run. Its rich blue dial features a gradient finish that transitions from deep navy to lighter hue, while the case is crafted from high-quality stainless steel. The watch boasts a self-winding movement with Co-Axial escapement, Master Chronometer certification, and 55-hour power reserve. With a water resistance of 60 meters, it's suitable for swimming and snorkeling. The alligator leather strap adds to its luxurious appeal and ensures comfort throughout the day. This limited edition piece is not just a watch but a collectible item, with only 399 units produced. Its exclusivity makes it a potential heirloom piece, telling stories of adventures and milestones along the way.

Buy Now on Jomashop

This is an affiliate link

Key Features

Omega Caliber 8800 self-winding movement
Co-Axial escapement for reduced friction
Master Chronometer certification approved by METAS
55-hour power reserve
60-meter water resistance
Rich blue dial with gradient finish
High-quality stainless steel case

Specifications

Brand

Omega

Family

Seamaster

Model

Seamaster Master Co-Axial 39.5 London Edition Stainless Steel / Blue / Alligator

Reference

511.13.40.20.03.001

Movement

8800

Movement Features

Hours, Minutes, Seconds
Date
Chronometer, Co-Axial Escapement

Case

Stainless Steel 39.5mm

Dial Color

Blue

Crystal

Sapphire

Water Resistance

Current Listings

Omega Seamaster 300 210.30.44.51.03.001 COMPLETE SET 2021

Omega - 210.30.44.51.03.001 · $5,250

A 2021 Omega Seamaster 300 reference 210.30.44.51.03.001 in excellent condition, with a 44mm diameter.

Condition: Excellent
Diameter: 44mm
Year of manufacture: 2021

Posted at

Mar 13, 2026, 2:09 PM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean Titanium – Ref 232.92.42.21.03.001

Omega - 232.92.42.21.03.001 · $4,095

This Omega Seamaster Planet Ocean 600M features a titanium case, blue ceramic Liquidmetal bezel, and 600m dive rating.

Condition: Very good condition, normal wear consistent with use
Case size: 42 mm diameter
Water resistance: 600m depth rating
Movement type: Co-Axial calibre 8500

Posted at

Mar 13, 2026, 10:53 AM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean Chronograph – Ref 232.90.46.51.03.001

Omega - 232.90.46.51.03.001 · $5,995

This Omega Seamaster Planet Ocean Chronograph features a titanium case, blue ceramic bezel, and in-house calibre 9300 chronograph.

Condition: Very good condition
Case diameter: 45.5mm
Bezel material: blue ceramic
Water resistance: 600m

Posted at

Mar 13, 2026, 10:48 AM

Active

View listing on r/WatchExchange

Omega Seamaster Aqua Terra Chronograph GMT – Ref 231.10.43.52.06.001

Omega - 231.10.43.52.06.001 · $4,195

This Omega Seamaster Aqua Terra Chronograph GMT is a clean and well-maintained example of the watch, with a full chronograph and GMT complication making it one of the more mechanically interesting configurations in the Aqua Terra line.

Condition: Very good
Complications: chronograph and GMT
Bracelet condition: well preserved

Posted at

Mar 13, 2026, 10:43 AM

Active

View listing on r/WatchExchange

Omega Seamaster Diver 300M Chronograph Black Dial 44mm Watch 212.30.44.50.01.001

Omega - 212.30.44.50.01.001 · $4,480

This Omega Seamaster Diver 300M Chronograph features a rugged, all-stainless steel case with a black dial and ceramic bezel. It houses the automatic Co-Axial caliber 3330, offering chronograph functionality and date, along with 300m of water resistance.

Condition: Excellent pre-owned condition
Case size: 44mm
Bracelet size: 7 1/2 inches
Depth rating: 300m

Posted at

Mar 13, 2026, 9:55 AM

Active

View listing on r/WatchExchange

Omega Seamaster SMP300 - Black Dial - Limited Edition - 210.22.42.20.01.004 - Bracelet & Strap - Full Set

Omega - 210.22.42.20.01.004 · $8,475

This Omega Seamaster SMP300 is a limited edition watch featuring a black dial. It includes both a rubber strap and an unworn bracelet, as well as several accessories such as a box and microfiber bag.

Condition: Excellent condition with minor hairlines
Case condition: minor hairlines
Strap/band: rubber strap and fully linked bracelet

Posted at

Mar 13, 2026, 5:13 AM

Active

View listing on r/WatchExchange

Late 60's Omega Seamaster 168.024 w/ Onyx Markers. $1200

Omega - 168.024 · $1,200

A late 60's Omega Seamaster 168.024 with Onyx Markers is being sold for $1200, featuring a silver sunburst dial and stainless steel case.

Condition: Very good representation for the year
Case diameter: 34.5mm
Movement caliber: 564 Automatic Chronometer
Crystal type: Acrylic

Posted at

Mar 12, 2026, 9:00 PM

Active

View listing on r/WatchExchange

Omega Seamaster 2254.50 41mm Automatic Peter Blake - $2,790

Omega - 2254.50 · $2,790

This Omega Seamaster 2254.50 is a 41mm Automatic Peter Blake edition in great condition, featuring a steel case and original Omega steel bracelet.

Condition: 8.9/10, great condition for its age with minimal hairlines/marks on case, bezel insert and bracelet
Case material: Steel
Bracelet material: Steel
Crystal type: Sapphire

Posted at

Mar 12, 2026, 8:48 PM

Active

View listing on r/WatchExchange

Omega Seamaster 300M Green Seaweed (210.30.42.20.10.001) Complete Set

Omega - 210.30.42.20.10.001 · $4,700

This Omega Seamaster 300M Green Seaweed is a complete set, including box, hang tag, and triple cards.

Condition: Great condition, minor hairlines on clasp and bracelet, tiny ding on case at 8 o'clock and bezel at 2 o'clock
Box condition: outer is damaged
Bracelet condition: minor hairlines

Posted at

Mar 12, 2026, 7:11 PM

Active

View listing on r/WatchExchange