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

Reference 231.20.39.21.52.003

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

About this watch

The Omega Seamaster Aqua Terra 150M Co-Axial 38.5 is a masterpiece of luxury watchmaking, blending exquisite craftsmanship with innovative technology. This stunning timepiece features a silver dial adorned with gem-set indexes, adding a touch of sparkle that catches the eye without being overly ostentatious. The combination of stainless steel and red gold enhances durability while elevating the overall aesthetic. With a diameter of 38.50 mm, this watch strikes an ideal balance between style and functionality. At its heart lies the Omega Caliber 8500, an automatic movement celebrated for its precision and reliability. This chronometer-certified timepiece boasts a power reserve of 60 hours, ensuring it remains accurate even when taken off for extended periods. Its water resistance of 150 meters makes it perfect for swimming or everyday wear, while the date function adds practicality to its luxurious design. With a weight that feels substantial yet comfortable, this watch is an experience in itself. Whether dressed formally or casually, the Seamaster Aqua Terra effortlessly complements your look, making it a versatile accessory for any occasion.

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MSRP: $9,550

Market Price: $5,026

Key Features

Stainless Steel and Red Gold Construction
Omega Caliber 8500 Automatic Movement
Chronometer Certification
Water Resistance up to 150 meters
Date Function
Co-Axial Escapement Technology
60-Hour Power Reserve

Specifications

Brand

Omega

Family

Aqua Terra

Model

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

Reference

231.20.39.21.52.003

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 "Golf Edition" 41.5mm

Omega - 220.10.41.21.01.002

This Omega watch is a unique 'Golf Edition' of the popular Aqua Terra model, sized at 41.5mm.

Posted at

Feb 9, 2026, 4:28 PM

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OMEGA Seamaster Aqua Terra Worldtimer "Summer Blue" Ref. 220.10.43.22.03.002 - ULTIMATE SET! 🔥$10,100🔥

OMEGA - 220.10.43.22.03.002 · $10,100

A sophisticated travel companion with a 43mm stainless steel case, featuring a dial that captures the essence of a perfect day at sea, showcasing Earth on a grade 5 titanium plate.

Condition: VERY GOOD - Some light scratches on case and bracelet.
Case size: 43mm
Bracelet length: ~7in

Posted at

Feb 8, 2026, 7:36 PM

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OMEGA Seamaster Aqua Terra 150M Terracotta Ref. 220.10.38.20.13.003 - ULTIMATE SET! 🔥$6,300🔥

OMEGA - 220.10.38.20.13.003 · $6,300

The OMEGA Seamaster Aqua Terra Ref. 220.10.38.20.13.003 features a stunning Terracotta dial, symmetrical case design, and polished brushed bracelet.

Condition: UNWORN
Dial color: Terracotta
Case size: 38mm diameter
Bracelet length: ~7 inch pre-sized

Posted at

Feb 8, 2026, 7:33 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 · $2,750

Aqua Terra 150m with Calibre 8500 Co-Axial movement, a 38.5mm case size and a 7.25 inch long bracelet.

Case size: 38.5mm
Bracelet length: 7.25 inches

Posted at

Feb 8, 2026, 1:09 PM

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Omega Seamaster Aqua Terra 150m | Master Co-Axial | 41.5mm | 231.10.42.21.03.003 Blue

Omega - 231.10.42.21.03.003 · $3,699

This Omega Seamaster Aqua Terra Master Co-Axial features a blue dial and a 41.5mm case.

Case Diameter: 41.5mm
Bracelet Length: 7.25"
Accepted Payment Methods: Zelle, PayPal, or Western Union

Posted at

Feb 8, 2026, 1:00 PM

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Omega Seamaster Aqua Terra Worldtimer | Ref. 220.12.43.22.03.001 | 2024 | Full Set | Like New

Omega - 220.12.43.22.03.001 · $7,190

This Omega Seamaster Aqua Terra Worldtimer features a striking blue dial with a laser-ablated globe at the center, surrounded by 24-hour and global city rings for simultaneous reading of time zones worldwide.

Condition: Like New
Case size: 43mm diameter
Dial color: blue
Water resistance: 150m depth rating

Posted at

Feb 7, 2026, 1:12 AM

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Omega Seamaster Aqua Terra 150M “Spectre” Blue Dial – 41.5mm Ref: 231.10.42.21.03.003 Full Set 2020 Mint Condition

Omega - 231.10.42.21.03.003 · $3,900

This Aqua Terra 'Spectre' configuration features a strong 41.5mm case with a blue teak dial, powered by the reliable in-house Calibre 8500. It's suitable for daily wear and offers excellent magnetic resistance.

Condition: Excellent condition
Dial color: blue
Case size: 41.5mm
Water resistance: 150m

Posted at

Feb 6, 2026, 10:19 PM

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2021 OMEGA SEAMASTER AQUA TERRA 150M 220.10.43.22.03.001

OMEGA - 220.10.43.22.03.001 · $6,900

This 2021 Omega Seamaster Aqua Terra features a 43mm stainless steel case, blue dial, and Calibre 8938 movement with a 60-hour power reserve. It has a water resistance of 150 meters.

Condition: Pre-owned, cosmetic condition: 9/10, fully functional
Case size: 43mm
Movement: Calibre 8938
Power reserve: 60 hours

Posted at

Feb 6, 2026, 6:35 PM

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