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

Omega Seamaster Diver 300M 210.32.42.20.03.001 Blue 2021 Full Set - $4,395

Omega - 210.32.42.20.03.001 · $4,395

A 2021 Omega Seamaster Diver 300m Blue is up for sale, featuring a diver's watch design with a blue color scheme.

Condition: Excellent condition with minimal signs of wear
Year: 2021
Contents: Watch, Inner & Outer Box, Card Holder, International Warranty Card, Pictograms Card, Master Chronometer Card, Instructions Manual, Hang Tag

Posted at

Apr 1, 2026, 3:01 PM

Active

View listing on r/WatchExchange

Omega Seamaster Diver 300M 210.30.42.20.03.001 Blue 2022 Full Set - $4,395

Omega - 210.30.42.20.03.001 · $4,395

Up for sale is an Omega Seamaster Diver 300m Blue from 2022, featuring a blue dial and coming with a full set of accessories.

Condition: Excellent condition with minimal signs of wear
Year: 2022
Box Contents: Watch, Inner & Outer Box, Card Holder, International Warranty Card, Pictograms Card, Master Chronometer Card, Instructions Manual

Posted at

Apr 1, 2026, 2:57 PM

Active

View listing on r/WatchExchange

Omega Seamaster Diver 300M 210.30.42.20.10.001 Green Seaweed 2022 Full Set - $5,395

Omega - 210.30.42.20.10.001 · $5,395

This Omega Seamaster Diver 300M Green Seaweed is a 2022 model, featuring a green dial and matching band.

Condition: Excellent condition with minimal signs of wear
Year: 2022
Box Contents: watch, inner & outer box, card holder, international warranty card, pictograms card, master chronometer card, instructions manual
Shipping Insurance: fully insured

Posted at

Apr 1, 2026, 2:56 PM

Active

View listing on r/WatchExchange

Omega Seamaster Aqua Terra 231.10.39.60.06.001 $2,250

Omega - 231.10.39.60.06.001 · $2,250

The Omega Seamaster Aqua Terra is a versatile, all-around luxury watch with exceptional movement technology, often cited as an ideal 'one-and-only-one' watch for both formal and casual wear.

Condition: Excellent pre-owned condition
Case Diameter: 38.5mm
Lug Width: 19mm
Water Resistance: 150m

Posted at

Apr 1, 2026, 12:53 PM

Active

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Omega Seamaster Blue Ceramic Wave Dial 42mm Box & Papers 210.30.42.20.03.001

Omega - 210.30.42.20.03.001 · $4,599

A modern icon done right, featuring a striking blue ceramic wave dial paired with a matching ceramic bezel. Powered by Omega’s METAS-certified Caliber 8800, this piece offers exceptional accuracy and a 55-hour power reserve.

Condition: Excellent overall condition with light signs of careful wear
Case size: 42mm diameter
Movement: Caliber 8800, METAS-certified
Water resistance: unknown

Posted at

Apr 1, 2026, 12:03 PM

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1970 Omega Seamaster ref. 168.024 w/ Chronometer Cal. 564 on original ref. 2038 Milanese mesh bracelet – $1,380 shipped

Omega - 168.024 · $1,138

This is a fully original Seamaster with all the right details still in place, powered by the chronometer-rated Cal. 564 and paired with its original Omega Milanese mesh bracelet ref. 2038.

Condition: Good condition with minor aging visible under macro, light hairline scratches consistent with age
Movement: Chronometer Omega Cal. 564
Case material: Stainless steel
Bracelet type: Original and period-correct Omega Milanese mesh bracelet ref. 2038

Posted at

Apr 1, 2026, 11:56 AM

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