Omega Aqua Terra Seamaster Aqua Terra 150M Master Co-Axial 38.5 Stainless Steel / Red Gold / Silver

Reference 231.23.39.21.02.001

Omega Seamaster Aqua Terra 150M Master Co-Axial 38.5 Stainless Steel / Red Gold / Silver

About this watch

The Omega Seamaster Aqua Terra 150M Master Co-Axial is a masterpiece of luxury watchmaking, combining elegance with functionality in a single timepiece. Crafted from a blend of stainless steel and red gold, this stunning watch exudes opulence without being gaudy. The silver-toned dial features stick and dot indexes paired with arrow-shaped hands, providing excellent legibility and making it an ideal companion for both casual and formal occasions. At the heart of this timepiece is the in-house Omega caliber 8500, a marvel of engineering known for its reliability and precision. With a power reserve of 60 hours, you don't have to worry about winding it every day. The Co-Axial escapement improves accuracy and reduces friction between parts, making it a true chronometer. This watch is perfect for professionals who need a timepiece that transitions seamlessly from the office to a dinner date, as well as collectors who appreciate Omega's rich history and innovation.

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Key Features

Omega caliber 8500 movement
Stainless Steel / Red Gold case material
Sapphire crystal glass
150 meters water resistance
38.5 mm diameter
Co-Axial escapement for improved accuracy
60 hour power reserve

Specifications

Brand

Omega

Family

Aqua Terra

Model

Seamaster Aqua Terra 150M Master Co-Axial 38.5 Stainless Steel / Red Gold / Silver

Reference

231.23.39.21.02.001

Movement

8500

Movement Features

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

Case

38.5mm

Dial Color

Silver

Crystal

Sapphire

Water Resistance

150

Current Listings

Omega Seamaster Aqua Terra 2503.80.00 — Blue Sunburst Dial — 39.2mm — Fresh Service — $2,799 Shipped (Tariff Covered)

Omega - 2503.80.00 · $2,799

This Omega Seamaster Aqua Terra features a blue sunburst dial and is powered by the Cal. 2500 Co-Axial automatic movement, recently serviced.

Condition: Excellent overall condition with normal signs of wear
Case diameter: 39.2mm
Case thickness: ~11.2mm
Lug width: 20mm

Posted at

Apr 30, 2026, 12:11 PM

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Omega Seamaster Aqua Terra 2504.80.00 — 36.2mm Blue Sunburst Dial — Fresh Serviced — $2,799 Shipped (Tariff Covered)

Omega - 2504.80.00 · $2,799

This Omega Seamaster Aqua Terra features a blue sunburst dial and is powered by an Omega Cal. 2500 Co-Axial automatic movement, which has recently been serviced.

Condition: Excellent
Case size: 36.2mm
Lug width: 18mm
Thickness: 11mm

Posted at

Apr 30, 2026, 9:52 AM

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Omega Seamaster Aqua Terra 2503.33 Box and Papers - $2,990 - Reserved Post for u/Wild-Company1531

Omega - 2503.33 · $2,990

Up for sale is my very good condition Omega Seamaster Aqua Terra 2503.33, measuring 39mm with an Omega 2500 automatic movement.

Condition: Very good condition
Case size: 39mm diameter
Movement type: Omega 2500 automatic

Posted at

Apr 30, 2026, 3:27 AM

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Omega Seamaster Aqua Terra 231.10.39.21.01.001 Black Teak 38.5mm - $2,890

Omega - 231.10.39.21.01.001 · $2,890

Up for sale is my great condition Omega Seamaster Aqua Terra 231.10.39.21.01.001, this watch measures at 38.5mm and has an automatic Omega Calibre 8500 movement.

Condition: Very good condition, minimal marks/hairlines
Case size: 38.5mm diameter
Bracelet material: Steel
Movement type: Automatic

Posted at

Apr 29, 2026, 10:09 PM

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Omega Aqua Terra 8900 41mm Turquoise / Black Ceramic 220.32.41.21.03.001 ( new / 2026 / box and papers )

Omega - 220.32.41.21.03.001 · $6,995

Up for sale is a brand new Omega Aqua Terra 8900 with a Turquoise dial and Black Ceramic Bezel on Rubber Strap, complete with all boxes and papers.

Condition: Brand new
Case material: Stainless Steel / Black Ceramic
Movement: Master Chronometer Movement

Posted at

Apr 29, 2026, 2:35 PM

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2020 Omega Aqua Terra Captain’s Watch White/silver 6/20 Ref# 231.10.42.21.02.002 $3,249.00

Omega - 231.10.42.21.02.002 · $3,249

2020 Omega Aqua Terra Captain's Watch features a beautiful silvery white dial with Teak pattern, automatic self-winding movement, and 150M water resistance.

Condition: Fantastic condition, few hairlines on the polished bezel and links
Case size: 41.5mm diameter
Bracelet length: fits 7" wrist
Water resistance: 150m depth rating

Posted at

Apr 29, 2026, 2:35 PM

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Omega Aqua Terra 8900 41mm Green Dial 220.10.41.21.10.001 ( new / 2026 / box and papers )

Omega - 220.10.41.21.10.001 · $5,995

Aqua Terra 8900 Green Dial, featuring a 41mm stainless steel case and master co-axial movement.

Condition: Brand new
Case size: 41mm diameter
Movement: Master Co-Axial

Posted at

Apr 29, 2026, 2:31 PM

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Omega Aqua Terra 8800 38mm Green Diver 220.12.38.20.10.001 ( new / 2026 / box and papers )

Omega - 220.12.38.21.10.001 · $5,750

This Omega Aqua Terra 8800 is a brand new stainless steel watch with a green dial, featuring a Master Co-Axial movement and measuring 38mm in diameter.

Condition: Brand new
Case material: Stainless Steel
Movement type: Master Co-Axial

Posted at

Apr 29, 2026, 2:25 PM

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