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

Reference 231.55.39.21.51.001

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

About this watch

The Omega Seamaster Aqua Terra 231.55.39.21.51.001 is a masterpiece of luxury watchmaking, boasting a gleaming red gold case and stunning black dial adorned with diamonds. The 38.5mm round case is meticulously crafted to offer a sophisticated look suitable for both casual and formal occasions. Sapphire glass provides unparalleled durability and scratch resistance, ensuring your timepiece remains pristine even with daily wear. This robust chronometer features the Omega caliber 8501 movement, celebrated for its reliability and accuracy, with a power reserve of up to 60 hours and Co-Axial escapement technology reducing friction between parts. With water resistance of 150 meters, this watch is ready for any adventure or formal event, delivering unparalleled luxury and functionality in one sleek package.

Buy Now on Jomashop

This is an affiliate link

Key Features

Omega caliber 8501 movement
Red gold case with gem-set bezel
Sapphire glass for durability
Chronometer certification
Water resistance up to 150 meters

Specifications

Brand

Omega

Family

Aqua Terra

Model

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

Reference

231.55.39.21.51.001

Movement

8501

Movement Features

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

Case

Red Gold 38.5mm

Dial Color

Black

Crystal

Sapphire

Water Resistance

150

Current Listings

Omega Seamaster Aqua Terra – James Bond SkyFall – 38.5mm

Omega - 231.10.39.21.03.001 · $3,900

This Omega Seamaster Aqua Terra 150M 'SKYFALL' is a James Bond watch with a blue teak pattern dial, stainless steel case and bracelet. It features an Omega Co-Axial 8500 calibre automatic movement.

Condition: Excellent overall condition
Case diameter: 38.5mm
Movement type: Co-Axial automatic

Posted at

Jan 14, 2026, 10:38 PM

Active

View listing on r/WatchExchange

Omega Aqua Terra Sandstone 220.10.38 38mm - $3,850

Omega - 220.10.38 · $3,850

Up for sale is my Omega Seamaster Aqua Terra ref. 220.10.38 in great condition with an OMEGA 8800 movement.

Condition: Great condition, minor marks on the case and crystal
Case size: 38mm diameter
Bracelet length compatibility: up to 7 inch wrists depending on wrist shape

Posted at

Jan 14, 2026, 9:17 PM

Active

View listing on r/WatchExchange

Omega Aqua Terra 220.10.41 Black Dial 41mm Full Kit 2023 - $4,150

Omega - 220.10.41.21 · $4,150

Up for sale is a very good condition Omega Seamaster Aqua Terra with a 41mm case and Calibre OMEGA 8900 automatic movement.

Condition: Very good condition, minimal marks/hairlines on the case
Case size: 41mm
Movement type: Calibre OMEGA 8900
Water resistance: 150m

Posted at

Jan 14, 2026, 9:11 PM

Active

View listing on r/WatchExchange

Omega Seamaster Aqua Terra 38mm 150M 220.12.38.20.01.001 No Box or Papers, Extra Alligator Leather Strap, Good Condition

Omega - 220.12.38.20.01.001 · $4,000

The Omega Seamaster Aqua Terra 38mm is a tribute to OMEGA’s rich maritime heritage, with a symmetrical stainless steel case and black dial featuring a horizontal “teak” pattern. It's powered by the OMEGA Master Chronometer calibre 8800, certified at the industry’s highest standard. The watch includes an extra authentic Omega Alligator leather strap.

Condition: Good, with a few scratches
Case diameter: 38mm
Water resistance: 150m (500ft)
Movement type: Self winding

Posted at

Jan 14, 2026, 2:22 PM

Active

View listing on r/WatchExchange

2015 Omega Seamaster Aqua Terra 150M Golf Edition 41.5mm 231.10.42.21.01.004 Full Set

Omega - 231.10.42.21.01.004 · $4,000

A classic Aqua Terra design inspired by the world of golf, with subtle green accents.

Condition: Excellent
Year: 2015
Size: 41.5mm
Contents: Full Set

Posted at

Jan 14, 2026, 11:12 AM

Active

View listing on r/WatchExchange

Omega Seamaster 120M Ref. 2511.83 | Japan Exclusive | Pre-Aqua Terra | $1000 OBO | Shipping & Tariffs Covered

Omega - 2511.83 · $1,000

A 36mm stainless steel Omega Seamaster 120M with a quartz movement and a sunburst blue dial, characterized by its understated design and nuance.

Condition: good, unpolished condition with wear marks
Material: stainless steel
Case diameter: 36mm
Strap size: 18 mm

Posted at

Jan 14, 2026, 7:09 AM

Active

View listing on r/WatchExchange

Omega Seamaster Aqua Terra 150M Shades 38mm Green – Full Set

Omega - 220.10.38.20.10.002 · $4,999

This Omega Seamaster Aqua Terra Shades 38mm features a green dial and is powered by the Caliber 8800 Co-Axial Master Chronometer movement.

Condition: Excellent
Case size: 38mm diameter
Water resistance: 150m depth rating
Dial color: Green

Posted at

Jan 13, 2026, 10:45 PM

Active

View listing on r/WatchExchange

Omega Aqua Terra Seamaster Quartz 231.10.39.60 38.5mm Grey Teak, Applied Indices - $1,790

Omega - 231.10.39.60 · $1,790

Up for sale is my Omega Aqua Terra Seamaster Quartz 231.10.39.60, a watch measuring at 38.5mm and featuring an Omega 45640 quartz movement.

Condition: 8.9/10 - great condition with minimal marks/hairlines on the case, caseback, high polished steel bezel and bracelet clasps/sides
Movement: Omega 45640 quartz movement
Case Size: 38.5mm diameter
Crystal Type: sapphire crystal

Posted at

Jan 13, 2026, 9:01 PM

Active

View listing on r/WatchExchange

Omega Aqua Terra 2504.50

Omega - 2504.50 · $2,500

Aqua Terra 2504.50, a luxury watch with legibility concerns due to lack of Arabic indices. The watch has a recent service history and comes with additional accessories.

Condition: Pre-owned with some minor cosmetic imperfections
Crown service history: recently serviced and replaced
Bracelets included: Forstner Flat Link, Forstner Contemporary Flat Link

Posted at

Jan 13, 2026, 3:19 PM

Active

View listing on r/WatchExchange