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

Reference 231.25.39.21.51.001

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

About this watch

The Omega Seamaster Aqua Terra 150M Co-Axial (231.25.39.21.51.001) is a remarkable timepiece that combines elegance, functionality, and precision. This luxurious watch boasts a stunning design with a striking contrast of stainless steel and red gold, perfectly balanced for both men and women. The black dial punctuated with gem-set indexes adds sophistication while ensuring readability. A scratch-resistant sapphire crystal protects the beautiful black dial, and the bracelet is crafted from expertly linked stainless steel and red gold. With a water resistance of 150 meters, this watch can handle aquatic adventures, making it perfect for both day and evening wear. The Omega caliber 8500 automatic movement provides accuracy and reliability with 39 jewels and a frequency of 25,200 vibrations per hour, ensuring the watch shines brightly in any light. This timepiece is not just a statement piece but also a legacy that can be passed down through generations.
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Key Features

  • Omega caliber 8500 automatic movement
  • Stainless Steel / Red Gold case material
  • Scratch-resistant sapphire crystal
  • Gem-set indexes on black dial
  • 150 meters water resistance
  • 38.5 mm diameter case size
  • 39 jewels with frequency of 25,200 vibrations per hour

Specifications

Brand
Omega
Family
Aqua Terra
Model
Seamaster Aqua Terra 150M Co-Axial 38.5 Stainless Steel / Red Gold / Diamond / Black / Bracelet
Reference
231.25.39.21.51.001
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

[WTS] Omega Seamaster Aqua Terra Grey Teak 231.10.39.21.06.001

Omega Seamaster Aqua Terra Grey Teak 231.10.39.21.06.001

Omega - 231.10.39.21.06.001 · $2,899
This Omega Seamaster Aqua Terra features a classic teak-pattern gray dial and is available in very good condition.

  • Condition: Very good overall condition with minimal signs of use.
  • Case Size: 38.5mm
  • Movement Type: Omega Co-Axial automatic movement
  • Bracelet Length: up to approximately a 6.75" wrist
Posted at
Apr 22, 2026, 8:20 PM
Active
View listing on r/WatchExchange
[WTS] (Omega) Seamaster Aqua Terra 2517.50 $2,100

(Omega) Seamaster Aqua Terra 2517.50 $2,100

Omega - 2517.50 · $2,100
This is the Omega Seamaster Aqua Terra, a 1st gen reference 2517.50 with a black dial and quartz variant in great external condition.

  • Condition: Great external condition, keeping great time and functioning as intended
  • Size: 39mm diameter
  • Movement: quartz
Posted at
Apr 22, 2026, 5:30 PM
Active
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[WTS] 2020 Omega Aqua Terra Captain’s Watch White/silver 6/20 Ref# 231.10.42.21.02.002 $3,299.00

2020 Omega Aqua Terra Captain’s Watch White/silver 6/20 Ref# 231.10.42.21.02.002 $3,299.00

Omega - 231.10.42.21.02.002 · $3,299
A 2020 Omega Aqua Terra Captain's Watch in white/silver, featuring a silvery white dial with Teak pattern and automatic self-winding movement.

  • Condition: Fantastic condition, with minor hairlines on the polished bezel and links.
  • Case size: 41.5mm
  • Water resistance depth rating: 150m
  • Movement caliber: 8500 Caliber
Posted at
Apr 22, 2026, 12:33 PM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster Aqua Terra Black Teak (full set)

Omega Seamaster Aqua Terra Black Teak (full set)

Omega - Aqua Terra · $3,800
This Omega Seamaster Aqua Terra is a black Teak variant that comes with a full set of accessories. It features an alligator leather deployant strap and has been worn daily since purchase.

  • Condition: Minor wear
  • Strap: black Northstar sailcloth with grey stitching, alligator leather deployant strap
Posted at
Apr 22, 2026, 9:26 AM
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[WTS] Omega Seamaster Aqua Terra Railmaster 2504.52 — $6800— Catch & Release, Serviced by Omega, Full Set

Omega Seamaster Aqua Terra Railmaster 2504.52 — $6800— Catch & Release, Serviced by Omega, Full Set

Omega - 2504.52 · $6,800
This Omega Seamaster Aqua Terra Railmaster is a 36mm stainless steel watch featuring a black dial, automatic movement, and an Omega 1575 stainless steel bracelet.

  • Condition: Excellent, minimal wear
  • Case material: Stainless steel
  • Diameter: 36mm
  • Lug width: 19mm
Posted at
Apr 22, 2026, 12:40 AM
Active
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[WTS] 2019 Omega Seamaster Aqua Terra 150M 38.5mm Black dial Steel bracelet

2019 Omega Seamaster Aqua Terra 150M 38.5mm Black dial Steel bracelet

Omega - 231.10.39.22.01.001 · $4,400
The Omega Seamaster Aqua Terra 150M Annual Calendar is a stainless steel watch with a black dial and Co-Axial escapement. It features an annual calendar complication, automatic date correction for March, and is COSC chronometer certified.

  • Condition: Great condition, minor flaws not visible to the eye
  • Case size: 38.5mm
  • Dial color: black
  • Water resistance: 150M
Posted at
Apr 21, 2026, 10:55 PM
Active
View listing on r/WatchExchange
[WTS] Omega Aqua Terra 2503.80 Cal 2500 39mm Blue Dial - $2,490

Omega Aqua Terra 2503.80 Cal 2500 39mm Blue Dial - $2,490

Omega - 2503.80 · $2,490
Up for sale is my Omega Aqua Terra 2503.80 in great condition with a Calibre OMEGA 2500 Automatic movement and measuring at 39 mm.

  • Condition: great condition, minimal marks on case and bracelet
  • Case size: 39mm diameter
  • Bracelet type: original Omega steel bracelet
  • Movement type: Calibre OMEGA 2500 Automatic
Posted at
Apr 21, 2026, 9:04 PM
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[WTS] Omega Aqua Terra White Co-Axial 231.10.39 38.5 mm - $2,650

Omega Aqua Terra White Co-Axial 231.10.39 38.5 mm - $2,650

Omega - 231.10.39.21.02.00 · $2,650
The Omega Seamaster Aqua Terra White Co-Axial is a 38.5mm watch with an automatic Calibre OMEGA 8500 movement.

  • Condition: Great condition, minimal marks/hairlines on the case and sapphire crystal smudging/scratches on the AR coating
  • Case size: 38.5 mm
  • Movement: Calibre OMEGA 8500 automatic movement
  • Water resistance: 150m
Posted at
Apr 21, 2026, 9:01 PM
Active
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[WTS] Omega Seamaster Aqua Terra Skyfall 231.10.39 38.5mm - $3,450

Omega Seamaster Aqua Terra Skyfall 231.10.39 38.5mm - $3,450

Omega - 231.10.39.21.03.001 · $3,450
The Omega Seamaster Aqua Terra 'Skyfall' features a Calibre OMEGA 8500 automatic movement in a 39mm steel case with original AT bracelet and presentation box. It has a sapphire crystal and datewheel, with all functions working well.

  • Condition: great condition
  • Case size: 39mm
  • Movement type: automatic
  • Water resistance: 150m
Posted at
Apr 21, 2026, 8:56 PM
Active
View listing on r/WatchExchange