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 150M 41.5 mm, Cards Included... Ref: 231.10.42.21.03.003

Omega - 231.10.42.21.03.003 · $3,550

Aqua Terra 150M, 41.5 mm in diameter

Case size: 41.5mm
Shipping method: Fedex with insurance

Posted at

Jan 25, 2026, 3:47 PM

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Omega Aqua Terra 2504.50 with Bracelet // 36mm // 150m WR // 2025 Full Service

Omega - 2504.50 · $2,700

A modern classic, the Omega Aqua Terra with a black dial and co-axial movement is perfect for everyday wear, suitable for various activities such as swimming or formal events.

Condition: Great, light hairlines throughout but no major blemishes
Case Material: Stainless steel
Diameter: 36.2mm
Lug To Lug: 44mm

Posted at

Jan 25, 2026, 3:11 PM

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Omega Seamaster Aqua Terra 150m | Calibre 8500 Co-Axial | 231.10.39.21.06.001

Omega - 231.10.39.21.06.001 · $2,799

This Omega Seamaster Aqua Terra features a Calibre 8500 Co-Axial movement, 38.5mm case size and a 7.25 inch bracelet.

Water Resistance: 150m

Posted at

Jan 25, 2026, 9:46 AM

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Omega Seamaster Aqua Terra Silver Dial - 2504.30 - 36mm- $2,350 Shipped ✈️

Omega - 2504.30 · $2,350

A compact Omega Seamaster Aqua Terra in a sought-after 36mm case with a beautiful sunburst silver dial.

Condition: Very good
Case diameter: 36mm
Movement: Omega Co-axial 2500

Posted at

Jan 24, 2026, 9:57 PM

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Omega Aqua Terra 41mm - Ref. 220.13.41.21.03.003

Omega - 220.13.41.21.03.003 · $4,250

This Omega Aqua Terra was inherited from a distant relative and is in excellent condition, with minimal wear on its polished surfaces. It comes with original accessories, including an Omega leather strap and deployant, and has been verified as authentic by the Omega Boutique.

Condition: Excellent
Serial number verified: true
Omega service eligible: true

Posted at

Jan 24, 2026, 4:06 PM

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Omega Seamaster Aqua Terra 38 Green 220.12.38.20.10.001

Omega - 220.12.38.20.10.001 · $4,999

Aqua Terra 38 Green, a luxury watch from Omega, in mint condition with original box and papers.

Condition: Mint condition
Box and papers included: true
Tag included: true

Posted at

Jan 24, 2026, 2:21 PM

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Omega Seamaster Aqua Terra 2023 41mm Grey 220.10.41.21.06.001 Full Set - $5,495

Omega - 220.10.41.21.06.001 · $5,495

This Omega Seamaster Aqua Terra Grey is a 2023 model, featuring a 41mm case.

Condition: Excellent condition with minimal signs of wear
Year: 2023
Size: 41mm diameter
Contents: inner & outer box, card holder, international warranty card, master chronometer card, pictograms card

Posted at

Jan 24, 2026, 1:54 PM

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[US] Omega Seamaster Aqua Terra 150m - Turquoise Dial - 41mm - 220.32.41.21.03.001

Omega - 220.32.41.21.03.001 · $7,150

This Omega Seamaster Aqua Terra features a turquoise dial and is housed in a 41mm case.

Condition: Fantastic condition with minor hairlines
Depth rating: 150m
Case size: 41mm
Water resistance: 150m

Posted at

Jan 24, 2026, 9:38 AM

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OMEGA Seamaster Aqua Terra Worldtimer "Summer Blue" Ref. 220.10.43.22.03.002 - ULTIMATE SET! 🔥$10,250🔥

OMEGA - 220.10.43.22.03.002 · $10,250

The OMEGA Seamaster Aqua Terra Worldtimer is a sophisticated travel companion that puts the world on your wrist. It features a 43mm stainless steel case, a dial with a laser-ablated Earth design, and a 24-hour glass ring indicating day and night.

Condition: VERY GOOD (some light scratches on case and bracelet)
Case size: 43mm
Bracelet size: ~7"
Contents: ULTIMATE SET (includes box, papers, serial hang tag, spare links, shipping coffin, and digital copy of original purchase receipt)

Posted at

Jan 23, 2026, 9:12 PM

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