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

Reference 231.20.39.21.51.003

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

About this watch

The Omega Aqua Terra 231.20.39.21.51.003 is a masterpiece of engineering and design, combining elegance with functionality. Crafted from a harmonious blend of stainless steel and red gold, this watch exudes luxury and durability. The black dial, complemented by gem-set indexes, adds a touch of sophistication that's hard to ignore. The round case, with a diameter of 38.5mm, strikes an ideal balance between boldness and wearability. At the core lies the Omega caliber 8500 movement, renowned for its precision and reliability, featuring 39 jewels and a frequency of 25,200 vibrations per hour. This automatic movement boasts an impressive 60-hour power reserve, ensuring it keeps perfect time even when taken off for days. With a water resistance of up to 150 meters, this watch is suitable for swimming and snorkeling. As a 'Master Co-Axial Chronometer', it has passed stringent tests ensuring its accuracy. The date function included ensures you always know what day it is, while the comfortable fit makes it perfect for all-day wear. Whether in formal or casual settings, the Aqua Terra's design speaks volumes and adapts to any outfit.

Buy Now on Jomashop

This is an affiliate link

MSRP: $9,550

Market Price: $3,884

Key Features

Omega caliber 8500 movement
60-hour power reserve
150m water resistance
Date function
Master Co-Axial Chronometer certification
Stainless steel and red gold construction
Black dial with gem-set indexes

Specifications

Brand

Omega

Family

Aqua Terra

Model

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

Reference

231.20.39.21.51.003

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 38.5MM 231.10.39.21.02.001 | 2017 Full Set reserved for u/Icy-Mastodon7192

Omega - 231.10.39.21.02.001 · $3,375

This Omega Aqua Terra is a full set from 2017, featuring a 38.5MM case.

Condition: Excellent Pre-Owned Condition
Case diameter: 38.5MM

Posted at

Apr 27, 2026, 7:48 PM

Active

View listing on r/WatchExchange

Omega Seamaster Aqua Terra 220.10.41.21.06.001 Grey Dial Full Set

Omega - 220.10.41.21.06.001 · $5,295

The Omega Seamaster Aqua Terra Ref. 220.10.41.21.06.001 is a stainless steel watch with a grey teak dial and automatic movement, featuring a 41 mm case.

Condition: Very good
Case size: 41 mm
Material: stainless steel
Bracelet: stainless steel bracelet

Posted at

Apr 27, 2026, 1:44 PM

Active

View listing on r/WatchExchange

Omega Aqua Terra 39mm Automatic

Omega - 2503.80 · $2,400

Up for sale is my Omega Aqua Terra 39mm Automatic watch, which sports a stunning blue dial and beautifully polished indices.

Condition: Great condition
Diameter: 39mm

Posted at

Apr 27, 2026, 10:28 AM

Active

View listing on r/WatchExchange

Omega Seamaster Aqua Terra 2503.33 - $2,750

Omega - 2503.33 · $2,750

Up for sale is the Omega Seamaster Aqua Terra 2503.33, measuring 39mm and featuring an automatic movement.

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

Posted at

Apr 26, 2026, 10:02 PM

Active

View listing on r/WatchExchange

Omega Seamaster Aqua Terra 2504.50 36mm - $2,490

Omega - 2504.50 · $2,490

This watch measures 36mm and has an automatic movement. The Omega Seamaster Aqua Terra features a steel case on an original Omega Steel bracelet.

Condition: 8.9/10 great condition with minimal patina on dial indices and hands
Case size: 36mm diameter
Bracelet type: Steel original Omega bracelet
Crystal type: Sapphire crystal

Posted at

Apr 26, 2026, 9:59 PM

Active

View listing on r/WatchExchange

Omega Aqua Terra 38.5mm Blue Dial

Omega - 231.10.39.21.03.002 · $3,500

The Omega Aqua Terra features a dark blue dial with vertical teak pattern and measures 38.5mm in diameter, with a lug width of 19mm and thickness of 12.84mm.

Condition: Good condition
Case Diameter: 38.5 mm
Lug Width: 19 mm
Thickness: 12.84 mm

Posted at

Apr 26, 2026, 5:45 PM

Active

View listing on r/WatchExchange

Omega Seamaster Aqua Terra – Annual Calendar – 38.5mm Blue Dial

Omega - 23110392203001 · $4,200

The Omega Seamaster Aqua Terra features an annual calendar complication, a clean design, and is suitable for everyday wear. The watch has a stainless steel case and bracelet with deployant clasp.

Condition: Excellent condition
Case size: 38.5mm diameter
Bracelet material: stainless steel

Posted at

Apr 26, 2026, 4:02 PM

Active

View listing on r/WatchExchange

Omega Seamaster Aqua Terra 41mm White Dial (220.10.41.21.02.001) Full Set, Warranty, Excellent Condition

Omega - 220.10.41.21.02.001 · $5,100

This Omega Seamaster Aqua Terra is a clean and versatile daily watch featuring a white teak dial with orange accents.

Condition: Like new with light wear from normal daily use
Case size: 41mm diameter
Movement type: Co-Axial Master Chronometer

Posted at

Apr 26, 2026, 1:23 PM

Active

View listing on r/WatchExchange

Omega Seamaster Aqua Terra 231.10.39.60.06.001 $2,225

Omega - 231.10.39.60.06.001 · $2,225

The Omega Seamaster Aqua Terra Quartz is a versatile luxury watch with exceptional movement technology, often cited as an ideal 'one-and-only-one' watch.

Condition: Excellent pre-owned condition
Case diameter: 38.5mm
Lug width: 19mm
Lug-to-lug length: 45.4mm

Posted at

Apr 26, 2026, 12:54 PM

Active

View listing on r/WatchExchange