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.
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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] Omega Seamaster Aqua Terra 2517.50 39mm $1700 Shipped

Omega Seamaster Aqua Terra 2517.50 39mm $1700 Shipped

Omega - 2517.50 · $1,700
The Omega Seamaster Aqua Terra is a great everyday option with a classic black dial look, offering quartz accuracy and maintenance.

  • Condition: Used with honest wear and light scratching throughout consistent with use
  • Movement: quartz
  • Bracelet size fits wrist: 7.25in
Posted at
Apr 21, 2026, 6:47 PM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster Aqua Terra 231.10.39.21.01.001 Black Teak 38.5mm - $2,990

Omega Seamaster Aqua Terra 231.10.39.21.01.001 Black Teak 38.5mm - $2,990

Omega - 231.10.39.21.01.001 · $2,990
Up for sale is my great condition Omega Seamaster Aqua Terra 231.10.39.21.01.001 with an automatic Omega Calibre 8500 movement.

  • Condition: Very good condition for its age
  • Size: 38.5mm diameter
  • Movement: Omega Calibre 8500
  • Case Material: steel
Posted at
Apr 21, 2026, 4:56 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
This Omega Aqua Terra is a high-quality watch with a 39mm steel case, Calibre OMEGA 8500 movement, and features a steel bracelet and original presentation box.

  • Condition: great condition, minimal marks on case and crystal
  • Case Size: 39mm diameter
  • Bracelet Material: steel
  • Movement Calibre: Omega 8500
Posted at
Apr 21, 2026, 4:12 AM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster Aqua Terra - 2503.30 - Clean!

Omega Seamaster Aqua Terra - 2503.30 - Clean!

Omega - 2503.30 · $2,395
This Omega Seamaster Aqua Terra comes in a 39mm size and features a silver dial and automatic movement. The watch is in fantastic condition with everything functioning as it should.

  • Condition: Pre-owned, light wear throughout
  • Size: 39mm diameter
  • Movement: Automatic
Posted at
Apr 20, 2026, 6:21 PM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster Aqua Terra Blue Dial Full Set 2017 $3495 Shipped

Omega Seamaster Aqua Terra Blue Dial Full Set 2017 $3495 Shipped

Omega - 231.10.42.21.03.003 · $3,495
This Omega Seamaster Aqua Terra features a blue teak dial and is a clean, versatile piece that works well daily or dressed up.

  • Condition: Excellent
  • Case size: 41.5mm diameter
  • Movement: Master Co Axial Chronometer
  • Water resistance: 150m / 500ft depth rating
Posted at
Apr 20, 2026, 6:06 PM
Active
View listing on r/WatchExchange
[WTS] Omega - 2502.34.00 Seamaster Aqua Terra

Omega - 2502.34.00 Seamaster Aqua Terra

Omega - 2502.34.00
Posted at
Apr 20, 2026, 12:25 PM
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[WTS] Omega Seamaster Aqua Terra 15,000 Gauss 231.10.42.21.01.002 Full Set 2019

Omega Seamaster Aqua Terra 15,000 Gauss 231.10.42.21.01.002 Full Set 2019

Omega - 231.10.42.21.01.002 · $5,900
The Omega Seamaster Aqua Terra >15,000 Gauss is a distinctive modern Aqua Terra reference known for its black textured dial and impressive anti-magnetic capability. It measures 41.5mm in stainless steel and features Omega's Co-Axial movement.

  • Condition: Excellent, with no visible scratches and excellent crystal condition
  • Case Material: Stainless Steel
  • Case Size: 41.5mm diameter
  • Movement: Co-Axial movement
Posted at
Apr 19, 2026, 6:08 PM
Active
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[WTS] Omega Seamaster Aqua Terra – 'Blue Wave’ – Gold Accents – Complete Set

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

Omega - 23110422103006 · $5,250
The Omega Seamaster Aqua Terra 'Blue Wave' features a blue dial with wave pattern, 18K yellow gold hands and indexes. It has a stainless steel case with a 41.5mm diameter and is powered by the Master Co-Axial calibre 8500.

  • Condition: Excellent all-around condition
  • Case size: 41.5mm diameter
  • Movement: Omega Master Co-Axial calibre 8500
  • Water resistance: 150M / 15 bar
Posted at
Apr 19, 2026, 2:04 PM
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[WTS] 2012 Omega Seamaster Aqua Terra 231.23.39.21.06.001

2012 Omega Seamaster Aqua Terra 231.23.39.21.06.001

Omega - 231.23.39.21.06.001
2012 Omega Seamaster Aqua Terra for sale

Posted at
Apr 19, 2026, 11:54 AM
Active
View listing on r/WatchExchange