Omega Seamaster Seamaster Master Co-Axial 39.5 Singapore Edition Stainless Steel / White / Alligator

Reference 511.13.40.20.04.002

Omega Seamaster Master Co-Axial 39.5 Singapore Edition Stainless Steel / White / Alligator

About this watch

The Omega Seamaster Master Co-Axial 39.5 Singapore Edition is a masterpiece of horology, boasting exceptional craftsmanship and a unique story tied to the vibrant city of Singapore. This limited edition watch combines modern technology with classic design, making it a versatile companion for both formal and casual occasions. The stunning white dial features a glossy finish, stick and dot indexes, and Feuille hands that ensure readability while maintaining a sleek profile. The 39.5 mm stainless steel case strikes a perfect balance between boldness and wearability, paired with an alligator leather strap that enhances its luxurious feel. With a water resistance of up to 60 meters, this watch is more than just a pretty face, handling splashes and brief immersion while maintaining accuracy and performance even in challenging conditions. The Omega Seamaster Master Co-Axial 39.5 Singapore Edition stands tall in the realm of luxury watches, its blend of sophistication, precision, and limited availability making it a worthy addition to any collection.

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Key Features

Omega caliber 8800 self-winding movement
Co-Axial escapement reducing friction for longevity and reliability
55-hour power reserve
Chronometer certified by Swiss Federal Institute of Metrology (METAS)
Resistant to magnetic fields up to 15,000 gauss
Stainless steel case with sapphire crystal glass
39.5 mm diameter with 20 mm lug width
White dial with glossy finish and stick/dot indexes

Specifications

Brand

Omega

Family

Seamaster

Model

Seamaster Master Co-Axial 39.5 Singapore Edition Stainless Steel / White / Alligator

Reference

511.13.40.20.04.002

Movement

8800

Movement Features

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

Case

Stainless Steel 39.5mm

Dial Color

White

Crystal

Sapphire

Water Resistance

Current Listings

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Omega - 210.30.42.20.06.001 · $3,850

This Omega Seamaster SMP300 features a silver dial, 42mm case size and is in excellent mechanical working order.

Condition: Fantastic condition with minor, if any hairlines on clasp and case.
Case Size: 42mm
Diameter: 42mm

Posted at

Feb 13, 2026, 8:00 AM

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OMEGA - 217.30.42.21.01.002 · $7,850

A brand new Omega Seamaster Planet Ocean watch with a beautiful black dial and blue bezel, featuring a stainless steel case.

Condition: BRAND NEW/UNWORN
Dial color: Black/Blue
Case size: 42mm diameter
Water resistance: 600m depth rating

Posted at

Feb 13, 2026, 6:46 AM

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Omega - 220.12.38.20.10.001 · $4,499

A Omega Seamaster Aqua Terra 38 in mint condition, with box and papers included.

Condition: Mint
Original Strap: Original omega strap
Leather Strap Depth Rating: 200m water resistant (TUNS green leather strap)
Warranty: Watchmaxx warranty

Posted at

Feb 12, 2026, 8:16 PM

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This Omega Seamaster 300m Automatic has been the seller's daily driver for two years, having accompanied them on various activities and travels while maintaining reliable timekeeping.

Condition: Used with signs of wear
Year: 2006

Posted at

Feb 12, 2026, 7:30 PM

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Omega - 2264.50 · $2,399

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Condition: like new/fresh polish
Bracelet length: 7 inches

Posted at

Feb 12, 2026, 4:21 PM

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Omega Seamaster 600m Planet Ocean 42mm 232.30.42.21.01.001

Omega - 232.30.42.21.01.001 · $2,999

A 42mm Omega Seamaster Planet Ocean with an automatic movement.

Model size: 42mm diameter
Bracelet length: 7.5 inches

Posted at

Feb 12, 2026, 4:19 PM

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1971 OMEGA PLOPROF SEAMASTER 600 all original

Omega - Ploprof Seamaster 600 · $5,500

A 1971 Omega Ploprof Seamaster 600, an iconic dive watch designed for deep-sea use. This all-original example is a rare Left Hand Drive model, requiring a service to run smoothly.

Condition: Lightly used, minor marks consistent with age
Case size: 44mm diameter
Movement service needed: true

Posted at

Feb 12, 2026, 3:48 PM

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Omega Seamaster Planet Ocean 600M 45.5mm 232.30.46.21.01.001 – $2,850

Omega - 232.30.46.21.01.001 · $2,850

This Omega Seamaster Planet Ocean 600M features a stainless steel case with a black dial and bezel, Omega Co-Axial automatic movement, and 600m water resistance.

Condition: Very good to excellent pre-owned with minimal wear
Case size: 45.5mm diameter
Water resistance: 600m / 2000ft
Movement type: Omega Co-Axial automatic movement

Posted at

Feb 12, 2026, 3:22 PM

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