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] 2025 Omega Seamaster Aqua Terra 150m Turquoise Lacquer Dial 220.10.41.21.03.006

2025 Omega Seamaster Aqua Terra 150m Turquoise Lacquer Dial 220.10.41.21.03.006

A 2025 Omega Seamaster Aqua Terra with a 41mm turquoise lacquer dial, automatic Master Chronometer movement, and stainless steel case.

  • Condition: Great condition overall, some light wear on stainless steel case
  • Size: 41mm diameter
  • Depth rating: 150m water resistance
  • Movement type: Automatic Master Chronometer
Posted at
Aug 23, 2025, 9:28 PM
Active
[WTS] Cyma Classic WavyBlue Dial Watch Similar to Omega Aqua Terra in just 145$

Cyma Classic WavyBlue Dial Watch Similar to Omega Aqua Terra in just 145$

A sleek Cyma Classic watch with a stunning blue dial and quartz movement.

Posted at
Aug 23, 2025, 9:18 AM
Active
[WTS] 2013 Omega Seamaster Aqua Terra 2503.33 White Dial w/ Blue Indices Full Set

2013 Omega Seamaster Aqua Terra 2503.33 White Dial w/ Blue Indices Full Set

Omega - 2503.33 · $3,250
This is a 2013 Omega Seamaster Aqua Terra reference 2503.33 with a white dial and blue indices, in excellent condition.

  • Condition: Excellent condition, very little signs of wear
  • Size: 39mm diameter
  • Water Resistance: 30m water resistance
Posted at
Aug 22, 2025, 2:24 PM
Active
[WTS] 2024 Omega Aqua Terra 150M Worldtimer 43mm 220.30.43.22.10.001 Box & Papers

2024 Omega Aqua Terra 150M Worldtimer 43mm 220.30.43.22.10.001 Box & Papers

The Omega Seamaster Aqua Terra 150M Worldtimer features a green sun-brushed dial with an outer world time cities ring and central world map in relief, housed in a stainless steel case with a 43mm diameter.

  • Condition: Excellent, lightly worn
  • Case size: 43mm diameter
  • Dial color: Green sun-brushed
  • Water resistance: 150m depth rating
Posted at
Aug 21, 2025, 1:53 PM
Active
[WTS] Omega Seamaster Aqua Terra (2503.50.00) - Automatic 39.2mm - 1st Gen

Omega Seamaster Aqua Terra (2503.50.00) - Automatic 39.2mm - 1st Gen

Omega - 2503.50.00 · $2,800
A first-generation Omega Seamaster Aqua Terra with a 39.2mm case size, featuring an automatic movement.

  • Condition: Pre-owned with cosmetic blemishes and scratches
  • Case Size: 39.2mm
Posted at
Aug 21, 2025, 12:31 PM
Active
[WTS] Omega Aqua Terra 41mm full set

Omega Aqua Terra 41mm full set

This Omega Aqua Terra 150m is a full set with warranty card, hardly ever worn, and comes in excellent condition.

  • Condition: Excellent condition
  • Diameter: 41mm
  • Depth Rating: 150m
Posted at
Aug 21, 2025, 11:42 AM
Active