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

Reference 231.55.39.21.51.001

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

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

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

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

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

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

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
[WTS] Omega Aqua Terra 2504.50

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
[WTS] Omega Seamaster Aqua Terra 38.5mm –Discontinued Grey Skyfall “Teak”Dial - Full Set in Excellent Condition

Omega Seamaster Aqua Terra 38.5mm –Discontinued Grey Skyfall “Teak”Dial - Full Set in Excellent Condition

A 2021 Omega Seamaster Aqua Terra 38.5mm with a highly sought-after grey teak 'Skyfall' dial, featuring an in-house Calibre 8500 Co-Axial movement and a smooth 60-hour power reserve.

  • Condition: Excellent
  • Case Size: 38.5mm diameter
  • Dial Color: grey with teak pattern
  • Movement: Omega Co-Axial Calibre 8500
Posted at
Jan 12, 2026, 11:33 PM
Active
[WTS] Omega Aqua Terra 220.10.41.21 Black Dial 41mm Full Kit 2023 - $4,250

Omega Aqua Terra 220.10.41.21 Black Dial 41mm Full Kit 2023 - $4,250

Omega - 220.10.41.21 · $4,250
Up for sale is my very good condition Omega Seamaster Aqua Terra with a Calibre OMEGA 8900 automatic movement and measuring at 41mm.

  • Condition: Very good condition, minor marks on the case back and bezel
  • Movement: Calibre OMEGA 8900 automatic movement
  • Case size: 41mm diameter
  • Water resistance: 150m
Posted at
Jan 12, 2026, 8:38 PM
Active
[WTS] Omega Seamaster Aqua Terra |Silver/White teak-pattern dial with solid 18K rose gold hands | 150M 38.5mm | 2023 Full Set in Mint Condition

Omega Seamaster Aqua Terra |Silver/White teak-pattern dial with solid 18K rose gold hands | 150M 38.5mm | 2023 Full Set in Mint Condition

A beautifully proportioned Omega Seamaster Aqua Terra 150M in the highly sought-after 38.5mm case, powered by Omega’s in-house Master Co-Axial Caliber 8500.

  • Condition: Excellent
  • Case size: 38.5mm diameter
  • Movement: Omega Master Co-Axial Cal. 8500
  • Dial: Silver-white teak pattern
Posted at
Jan 12, 2026, 8:14 PM
Active
[WTS] Omega Seamaster Aqua Terra 150m Blue 220.10.41.21.03.002

Omega Seamaster Aqua Terra 150m Blue 220.10.41.21.03.002

This Omega Seamaster Aqua Terra features a blue dial with a 150m water resistance.

  • Condition: like new
  • Bracelet length: 7.25 inches
  • Payment methods: Zelle, Venmo, Western Union
Posted at
Jan 12, 2026, 2:43 PM
Active