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

Reference 231.23.39.21.51.001

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

About this watch

The Omega Seamaster Aqua Terra 150M Co-Axial 38.5 is a masterful blend of style and functionality. This luxurious timepiece boasts a stunning combination of red gold and stainless steel, giving it a sporty yet elegant appearance. The round case measures 38.50 mm in diameter, making it suitable for both men and women. The black dial features gem-set indexes that catch the light beautifully, adding a touch of sophistication to the overall design. Arrow-shaped hands enhance visibility while also adding a modern twist to its classic face. With a water resistance of up to 150 meters, this watch is designed for function as well as form. But what truly sets it apart is the Omega caliber 8500 movement, a certified chronometer that offers an impressive 60 hours of power reserve. The Co-Axial escapement reduces friction, extending the longevity of the watch's performance. Whether you're in a business meeting or enjoying a casual day out, this watch adapts beautifully to any scenario. It's a conversation starter, and with its exquisite design, reliable movement, and versatility, it easily earns its place in the coveted collection of luxury timepieces.

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Key Features

Omega caliber 8500 movement
Certified chronometer
60 hours power reserve
Co-Axial escapement
Water resistance up to 150 meters
Red gold and stainless steel construction
Sapphire glass
38.50 mm diameter case

Specifications

Brand

Omega

Family

Aqua Terra

Model

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

Reference

231.23.39.21.51.001

Movement

8500

Movement Features

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

Case

38.5mm

Dial Color

Black

Crystal

Sapphire

Water Resistance

150

Current Listings

Omega Aqua Terra OEM Black Rubber Strap. With End link and deployant clasp.

Omega - Aquaterra 41mm · $400

A lightly worn OEM Omega Aquaterra strap with end link and deployant clasp.

Condition: Very lightly worn
Lug Width: 20mm
Strap Material: rubber

Posted at

Apr 25, 2026, 4:50 PM

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Sept 2025 Omega Aqua Terra 41mm. Green Teak Dial. 220.10.41.21.10.001. Full Set.

Omega - 220.10.41.21.10.001 · $4,695

This Omega Aqua Terra is a 41mm watch with a Green Teak dial, featuring a full set and under warranty.

Condition: Full set with minimal wear
Diameter: 41mm
Warranty status: under warranty

Posted at

Apr 25, 2026, 4:09 PM

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2024 Omega Seamaster Aqua Terra Red Dial on Bracelet 220.10.38.20.13.003 B+P

Omega - 220.10.38.20.13.003 · $5,600

The Omega Seamaster Aqua Terra Shades stands out with its rich red dial, offering a fresh take on the classic Aqua Terra design.

Condition: Mint condition
Case diameter: 38mm
Movement type: Self-winding Mechanical
Case material: Stainless Steel

Posted at

Apr 25, 2026, 2:12 PM

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2023 Omega Seamaster Aqua Terra Skyfall Blue 231.10.42.21.03.003 41.5mm Full Set - $4,795

Omega - 231.10.42.21.03.003 · $4,795

This Omega Seamaster Aqua Terra Skyfall Blue features a blue dial and is a limited edition model from 2023.

Condition: Excellent condition with minimal signs of wear.
Length: 41.5mm

Posted at

Apr 25, 2026, 9:55 AM

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OMEGA Seamaster Aqua Terra Worldtimer "Summer Blue" Ref. 220.10.43.22.03.002 - ULTIMATE SET! 🔥$9,600🔥

OMEGA - 220.10.43.22.03.002 · $9,600

The OMEGA Seamaster Aqua Terra Worldtimer Ref. 220.10.43.22.03.002 is a sophisticated travel companion that puts the world on your wrist, featuring a 43mm stainless steel case and a dial that captures the essence of a perfect day at sea.

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, digital copy of original purchase receipt

Posted at

Apr 24, 2026, 6:15 PM

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OMEGA Seamaster Aqua Terra 150M Terracotta Ref. 220.10.38.20.13.003 - ULTIMATE SET! 🔥$6,100🔥

OMEGA - 220.10.38.20.13.003 · $6,100

The OMEGA Seamaster Aqua Terra Ref. 220.10.38.20.13.003 features a Terracotta dial, symmetrical case design, and is powered by the Co-Axial Master Chronometer Calibre 8800.

Condition: UNWORN
Bracelet size: ~7"
Contents: ULTIMATE SET (includes box, papers, serial hang tag, spare links, shipping coffin, and digital copy of original purchase receipt)
Case dimensions: 38mm

Posted at

Apr 24, 2026, 6:12 PM

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