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

Reference 231.18.39.21.51.001

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

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][US] VSF Omega Seamaster and VSF Omega Aqua Terra

[US] VSF Omega Seamaster and VSF Omega Aqua Terra

The user is selling a VSF Omega Seamaster and a VSF Omega Aqua Terra, but no further details are provided about these watches.

  • Watch 1: VSF Omega Seamaster
  • Watch 2: VSF Omega Aqua Terra
Posted at
Apr 16, 2026, 2:59 PM
Active
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[WTS] Omega Seamaster Aqua Terra "Teak Dial" 150M - 38.5mm - Ref. 231.10.39.21.02.001

Omega Seamaster Aqua Terra "Teak Dial" 150M - 38.5mm - Ref. 231.10.39.21.02.001

Omega - 231.10.39.21.02.001 · $3,100
The Omega Seamaster Aqua Terra features a silvery-white 'Teak' dial in a 38.5mm model, blending rugged sports and refined dress styles.

  • Condition: Great overall condition with light signs of careful wear
  • Size: 38.5mm diameter
  • Dial pattern: Silver 'Teak Concept' vertical pattern
  • Crystal material: Scratch-resistant sapphire with anti-reflective coating
Posted at
Apr 15, 2026, 8:58 PM
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[WTS] REDUCED Omega Aqua Terra 38mm Blue Dial – Ref. 220.10.38.20.03.003 – Full Set

REDUCED Omega Aqua Terra 38mm Blue Dial – Ref. 220.10.38.20.03.003 – Full Set

Omega - 220.10.38.20.03.003 · $4,849
A Omega Aqua Terra 38mm watch, featuring a blue shades dial and an Omega Co-Axial Master Chronometer Caliber 8800 movement. It has a stainless steel bracelet with polished center links and is water resistant up to 150 meters.

  • Condition: Excellent overall condition, light signs of wear
  • Case size: 38mm diameter
  • Dial color: blue
  • Movement type: Omega Co-Axial Master Chronometer Caliber 8800
Posted at
Apr 15, 2026, 6:03 PM
Active
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[WTS] Omega Seamaster Aqua Terra 231.10.42.21.02.001 - White Teak Automatic

Omega Seamaster Aqua Terra 231.10.42.21.02.001 - White Teak Automatic

Omega - 231.10.42.21.02.001 · $2,895
This Omega Seamaster Aqua Terra is a watch-only example in very clean pre-owned condition, with everything functioning well.

  • Condition: Very clean pre-owned condition with light wear throughout
  • Size: 41.5mm diameter
  • Dial condition: small mark on the dial (in line with the 2 o’clock marker)
Posted at
Apr 15, 2026, 4:46 PM
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[WTS] 2020 Omega Aqua Terra Captain’s Watch White/silver 6/20 Ref# 231.10.42.21.02.002 $3,599.00

2020 Omega Aqua Terra Captain’s Watch White/silver 6/20 Ref# 231.10.42.21.02.002 $3,599.00

Omega - 231.10.42.21.02.002 · $3,599
A 2020 Omega Aqua Terra Captain's Watch in white and silver, featuring an automatic self-winding movement, 41.5mm case, and 150M water resistance.

  • Condition: fantastic condition with a few minor flaws on the case and box
  • Diameter: 41.5mm
  • Water Resistance: 150m
  • Movement: 8500 Caliber automatic self-winding movement
Posted at
Apr 15, 2026, 12:12 PM
Active
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[WTS] Omega Aqua Terra 41mm Black Lacquer Dial, $5200

Omega Aqua Terra 41mm Black Lacquer Dial, $5200

Omega - 220.10.41.21.01.002 · $5,200
A Omega Aqua Terra with a black lacquer dial, available for sale.

  • Condition: Preowned
  • Shipping: $100 (USA)
  • Payment Methods: Wire,Credit Card
  • Warranty: 2025
Posted at
Apr 15, 2026, 10:30 AM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster Aqua Terra 231.10.39.21.01.001 Black Teak 38.5mm - $3,250

Omega Seamaster Aqua Terra 231.10.39.21.01.001 Black Teak 38.5mm - $3,250

Omega - 231.10.39.21.01.001 · $3,250
Up for sale is my great condition Omega Seamaster Aqua Terra 231.10.39.21.01.001.

  • Condition: Very good condition for its age, minimal marks/hairlines on case, caseback, and bracelet
  • Movement: Automatic Omega Calibre 8500
  • Case size: 38.5mm
  • Bracelet material: Steel
Posted at
Apr 15, 2026, 4:35 AM
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[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
Up for sale is my Omega Aqua Terra 231.10.39 Cal 8500. This watch measures at 39mm and has an OMEGA 8500 movement.

  • Condition: great condition, minimal marks on the case and bezel
  • Case size: 39mm
  • Movement: Calibre OMEGA 8500
  • Bracelet material: steel
Posted at
Apr 15, 2026, 4:33 AM
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[WTS] Omega Aqua Terra 2503.30 39mm Champagne Dial Box and Papers - $2,350

Omega Aqua Terra 2503.30 39mm Champagne Dial Box and Papers - $2,350

Omega - 2503.30 · $2,350
Up for sale is my great condition Omega Seamaster 2503.30, measuring at 39mm with an automatic Omega Calibre 2500 movement.

  • Condition: Very good condition for its age with minimal marks/hairlines on the case, caseback, and bracelet
  • Diameter: 39mm
  • Movement: Omega Calibre 2500
Posted at
Apr 15, 2026, 4:25 AM
Active
View listing on r/WatchExchange