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 Worldtimer – Titanium & Ceramic – Ref 220.92.43.22.99.001 – 2023 Full Set

Omega - 220.92.43.22.99.001 · $9,900

The Omega Aqua Terra Worldtimer is a technically impressive travel-watch with a laser-ablated world map, ceramic bezel, and METAS-certified movement.

Condition: pristine
Case material: titanium
Bezel material: ceramic
Diameter: 43mm

Posted at

May 3, 2026, 10:50 AM

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2024 Omega Seamaster Aqua Terra "Summer Blue" 41mm 220.12.41.21.03.008 Full Set Excellent

Omega - 220.12.41.21.03.008

The 2024 Omega Seamaster Aqua Terra features a captivating 'Summer Blue' dial with sunburst pattern and light blue Super-LumiNova hands and indexes.

Condition: Excellent
Year: 2024
Contents: Full Set

Posted at

May 2, 2026, 3:45 PM

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Omega Seamaster Aqua Terra 150M 220.10.41.21.06.001 - Full Kit - $3950

Omega - 220.10.41.21.06.001 · $3,950

This Omega Seamaster Aqua Terra is for sale, purchased from Liljenquist and Beckstead in Bethesda on March 14th, 2024. It's a full kit with box, papers, hangtag, and extra links.

Condition: Heavily scratched
Purchase Date: 3/14/2024
Warranty Date: 3/14/2024

Posted at

May 2, 2026, 1:46 PM

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Omega Seamaster Aqua Terra – ‘Blue Wave’ with Gold Accents – Complete Set

Omega - 23110422103006 · $4,950

This Omega Seamaster Aqua Terra 'Blue Wave' features a blue dial with wave pattern, gold accents and a stainless steel case on a bracelet. It is powered by the Omega Master Co-Axial calibre 8500, resistant to magnetic fields and water up to 150M.

Condition: Excellent all-around condition
Case size: 41.5mm diameter
Water resistance: 150M / 15 bar
Power reserve: 60 hours

Posted at

May 2, 2026, 1:15 PM

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(Omega) Seamaster Aqua Terra 2517.50 $2,099

Omega - 2517.50 · $2,099

For sale is my 1st gen Omega Seamaster Aqua Terra, reference 2517.50. This is the 39mm, black dial, quartz variant. The watch is in great external condition and internally functioning as intended.

Condition: Great external condition, good internal condition
Case size: 39mm
Movement type: quartz

Posted at

May 1, 2026, 9:37 PM

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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.

Condition: VERY GOOD, some light scratches on case and bracelet.
Case size: 43mm
Bracelet length: ~7"
Movement: Master Chronometer Calibre 8938

Posted at

May 1, 2026, 8:04 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 38mm stainless steel case with a Terracotta dial, powered by the Co-Axial Master Chronometer Calibre 8800.

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

Posted at

May 1, 2026, 8:01 PM

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PRICE DROP!!! LNIB Omega Seamaster Aqua Terra “James Bond” 007 Spectre 41.5mm Blue Teak Dial – Ref. 231.10.42.21.03.003

Omega - 231.10.42.21.03.003 · $4,700

The Omega Seamaster Aqua Terra is a balanced and wearable model featuring a stainless steel case paired with a blue 'teak concept' dial, inspired by luxury sailboats.

Condition: Like New
Case size: 41.5mm
Case material: Stainless Steel
Diameter: 40mm (case diameter)

Posted at

May 1, 2026, 7:08 PM

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