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

Reference 231.18.39.21.51.001

About this watch

The Omega Seamaster Aqua Terra is a masterpiece of horological innovation, seamlessly blending elegance with performance. This stunning timepiece boasts an automatic Omega caliber 8500 movement, providing 60 hours of power reserve and a Master Co-Axial Chronometer designation for exceptional precision and performance. The case is crafted from high-quality stainless steel, resistant to corrosion and wear, while the diamond-set bezel adds a touch of luxury without being overly ostentatious. With its impressive water resistance of 150 meters, this watch is versatile enough for swimming, snorkeling, and everyday wear. Whether you're looking for a professional or laid-back vibe, the Aqua Terra's design allows it to transition seamlessly between different settings, making it the perfect addition to any luxury watch collection.
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Key Features

  • Omega caliber 8500 automatic movement
  • 60 hours of power reserve
  • Master Co-Axial Chronometer designation
  • Stainless steel case with diamond-set bezel
  • 150 meters water resistance
  • Sapphire crystal glass for scratch resistance and clarity
  • Black dial with stick and dot indexes

Specifications

Brand
Omega
Family
Aqua Terra
Model
Seamaster Aqua Terra 150M Co-Axial 38.5 Stainless Steel / Diamond / Black
Reference
231.18.39.21.51.001
Movement
8500
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
Stainless Steel 38.5mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
150

Current Listings

[WTS] Omega Aqua Terra White 38mm

Omega Aqua Terra White 38mm

This Omega Aqua Terra is a 2021 model with papers and still under factory warranty.

  • Year: 2021
  • Warranty: Still under factory warranty
  • Papers: true
Posted at
Oct 22, 2025, 9:56 PM
Active
[wts] Omega Aqua Terra Small Seconds 150mm

Omega Aqua Terra Small Seconds 150mm

The Omega Aqua Terra Small Seconds is a high-end watch with a 41mm case, 150m water resistance, and a COSC/METAS movement. It features a small seconds complication and comes with full box and papers.

  • Condition: Excellent
  • Water Resistance: 150m
  • Power Reserve: 60 hours
  • Movement: 8916 COSC/METAS
Posted at
Oct 22, 2025, 8:49 PM
Active
[WTS] Omega Seamaster Aqua Terra Co-Axial 42mm 231.10.42.21.06.001 Gray

Omega Seamaster Aqua Terra Co-Axial 42mm 231.10.42.21.06.001 Gray

This Omega Seamaster Aqua Terra Co-Axial is a 42mm watch with a gray color scheme.

  • Condition: Fresh service, used
  • Bracelet length: 7.25 inches
Posted at
Oct 22, 2025, 8:14 PM
Active
[WTS] Omega Aqua Terra 41mm 220.10.41.21.03.004 - Blue Teak Dial - Price Reduced ‼️

Omega Aqua Terra 41mm 220.10.41.21.03.004 - Blue Teak Dial - Price Reduced ‼️

This Omega Aqua Terra features a stunning blue teak dial and is in overall very clean condition with some light marks on the crystal.

  • Condition: pretty good, light wear on bracelet, lugs, and clasp
  • Wrist size compatible: up to 7.25 inches
  • Payment methods accepted: bank wire, zelle, paypal (F&F)
Posted at
Oct 22, 2025, 4:31 PM
Active
[WTS] [US] Omega Seamaster Aqua Terra 150m Master Chronometer GMT - Complete Set 2023

[US] Omega Seamaster Aqua Terra 150m Master Chronometer GMT - Complete Set 2023

This Omega Seamaster Aqua Terra 150m Master Chronometer GMT is a complete set from 2023, featuring a 41mm case with a black dial and stainless steel bracelet.

  • Year: 2023
Posted at
Oct 22, 2025, 1:11 PM
Active
[WTS] Omega Seamaster Aqua Terra "Saffron"

Omega Seamaster Aqua Terra "Saffron"

Omega - 2201.0382012001 · $4,300
The Omega Seamaster Aqua Terra 'Saffron' is a beautiful watch with a saffron dial that sparkles in the light. It features a 38mm diameter dial and comes with box and papers.

  • Condition: Good, with typical hairline scratches
  • Case size: 38mm
  • Material: stainless steel
  • Crystal material: sapphire
Posted at
Oct 22, 2025, 11:51 AM
Active
[WTS] Omega Aqua Terra 2517.30

Omega Aqua Terra 2517.30

Omega - 2517.30.00 · $1,695
A timeless classic that perfectly blends sporty elegance with everyday versatility, featuring a silver dial and 39.2 mm case.

  • Condition: Excellent overall
  • Case dimensions: 39.2 mm x 46.5mm x 11mm
  • Lug width: 20mm
  • Case material: Stainless Steel
Posted at
Oct 22, 2025, 11:49 AM
Active
[WTS] Omega Seamaster Aqua Terra 2517.50.00 Black Dial 150M Mens Watch And Papers $1600

Omega Seamaster Aqua Terra 2517.50.00 Black Dial 150M Mens Watch And Papers $1600

Omega - 2517.50.00 · $1,600
This Omega Seamaster Aqua Terra features a black dial and is powered by a quartz movement. The case width is 39mm, and it has a stainless steel band.

  • Condition: Pre-owned, with little wear & marks
  • Case width: 39mm (without crown)
  • Band size: up to 19cm
Posted at
Oct 22, 2025, 7:19 AM
Active
[WTS] Omega Aqua Terra 38 Black Teak

Omega Aqua Terra 38 Black Teak

Omega - Aqua Terra 38 · $4,300
For Sale is an Omega Aqua Terra 38 black teak dial which is sold out online.

  • Purchase Date: late September
  • Payment Methods: PayPal GS or FF, Zelle, Venmo
Posted at
Oct 21, 2025, 11:04 PM
Active