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

[wts] 2024 Omega Seamaster Aqua Terra 220.10.41.21.03.002 $5399

2024 Omega Seamaster Aqua Terra 220.10.41.21.03.002 $5399

Omega - 220.10.41.21.03.002 · $5,399
2024 Omega Seamaster Aqua Terra with a blue dial and 150M water resistance. The watch is in good condition with light wear on the bracelet and clasp.

  • Condition: Pre Owned, Cosmetic Condition: 8/10
  • Case size: 41mm diameter
  • Movement: 8900 caliber
  • Power reserve: 60 hours
Posted at
Apr 17, 2026, 12:31 PM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster Aqua Terra 150M 41.5mm Silver Teak 231.10.42.21.02.003 — Full Set

Omega Seamaster Aqua Terra 150M 41.5mm Silver Teak 231.10.42.21.02.003 — Full Set

Omega - 231.10.42.21.02.003
The Omega Seamaster Aqua Terra 150M 41.5mm Silver Teak is a luxury watch featuring a 41.5mm diameter case and a silver and teak dial.

  • Size: 41.5mm diameter
Posted at
Apr 17, 2026, 7:27 AM
Active
View listing on r/WatchExchange
[WTS] Omega Aqua Terra 231.10.39 Cal 8500 38.5 mm - $3,200 - Reserved post for u/Kind_Sign_2849

Omega Aqua Terra 231.10.39 Cal 8500 38.5 mm - $3,200 - Reserved post for u/Kind_Sign_2849

Omega - 231.10.39.21.02.002 · $3,200
Up for sale is my Omega Aqua Terra 231.10.39.21.02.002 Cal 8500, measuring at 39mm with a Calibre OMEGA 8500 movement.

  • Condition: Great condition, minimal marks on the case and bracelet
  • Case Size: 39mm diameter
  • Movement: Calibre OMEGA 8500
  • Bracelet Type: Original Omega steel bracelet
Posted at
Apr 17, 2026, 4:18 AM
Active
View listing on r/WatchExchange
[WTS] 2018 Omega Seamaster Aqua Terra 150M 38.5mm Teak - 231.10.39.21.02.001 - Box & Papers

2018 Omega Seamaster Aqua Terra 150M 38.5mm Teak - 231.10.39.21.02.001 - Box & Papers

Omega - 231.10.39.21.02.001 · $3,100
Aqua Terra features a 38.5mm diameter case, perfect size for every outfit.

  • Condition: Excellent condition
  • Size: 38.5mm diameter
Posted at
Apr 17, 2026, 3:55 AM
Active
View listing on r/WatchExchange
[WTS] Omega Aqua Terra 231.10.39 Cal 8500 38.5 mm - $2,650

Omega Aqua Terra 231.10.39 Cal 8500 38.5 mm - $2,650

Omega - 231.10.39 Cal 8500 · $2,650
Up for sale is my Omega Aqua Terra 231.10.39 Cal 8500, measuring at 39mm with a Calibre OMEGA 8500 movement.

  • Condition: Great condition, minor marks on case and crystal
  • Case size: 39mm
  • Bracelet type: Original Omega steel
  • Movement type: Calibre OMEGA 8500
Posted at
Apr 16, 2026, 8:47 PM
Active
View listing on r/WatchExchange
[WTS] 2023 Omega Seamaster Aqua Terra Skyfall Blue 231.10.42.21.03.003 41.5mm Full Set - $4,995

2023 Omega Seamaster Aqua Terra Skyfall Blue 231.10.42.21.03.003 41.5mm Full Set - $4,995

Omega - 231.10.42.21.03.003 · $4,995
Up for sale is a Omega Seamaster Aqua Terra Skyfall Blue, a 2023 model in excellent condition.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2023
  • Length: 41.5mm diameter
  • Contents: Watch,Inner & Outer Box,Card Holder,International Warranty Card,Pictograms Card,Instructions Manual,Hang Tag
Posted at
Apr 16, 2026, 5:40 PM
Active
View listing on r/WatchExchange
[WTS][US] VSF Omega Seamaster and VSF Omega Aqua Terra

[US] VSF Omega Seamaster and VSF Omega Aqua Terra

The user is selling a VSF Omega Seamaster and a VSF Omega Aqua Terra, but no further details are provided about these watches.

  • Watch 1: VSF Omega Seamaster
  • Watch 2: VSF Omega Aqua Terra
Posted at
Apr 16, 2026, 2:59 PM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster Aqua Terra "Teak Dial" 150M - 38.5mm - Ref. 231.10.39.21.02.001

Omega Seamaster Aqua Terra "Teak Dial" 150M - 38.5mm - Ref. 231.10.39.21.02.001

Omega - 231.10.39.21.02.001 · $3,100
The Omega Seamaster Aqua Terra features a silvery-white 'Teak' dial in a 38.5mm model, blending rugged sports and refined dress styles.

  • Condition: Great overall condition with light signs of careful wear
  • Size: 38.5mm diameter
  • Dial pattern: Silver 'Teak Concept' vertical pattern
  • Crystal material: Scratch-resistant sapphire with anti-reflective coating
Posted at
Apr 15, 2026, 8:58 PM
Active
View listing on r/WatchExchange
[WTS] REDUCED Omega Aqua Terra 38mm Blue Dial – Ref. 220.10.38.20.03.003 – Full Set

REDUCED Omega Aqua Terra 38mm Blue Dial – Ref. 220.10.38.20.03.003 – Full Set

Omega - 220.10.38.20.03.003 · $4,849
A Omega Aqua Terra 38mm watch, featuring a blue shades dial and an Omega Co-Axial Master Chronometer Caliber 8800 movement. It has a stainless steel bracelet with polished center links and is water resistant up to 150 meters.

  • Condition: Excellent overall condition, light signs of wear
  • Case size: 38mm diameter
  • Dial color: blue
  • Movement type: Omega Co-Axial Master Chronometer Caliber 8800
Posted at
Apr 15, 2026, 6:03 PM
Active
View listing on r/WatchExchange