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 Seamaster Aqua Terra 150m White 38.5mm | 231.10.39.21.02.001

Omega Seamaster Aqua Terra 150m White 38.5mm | 231.10.39.21.02.001

This listing features an Omega Seamaster Aqua Terra 150m White, a water-resistant watch with a white face and 38.5mm diameter.

  • Bracelet Length: 7.5 inches
Posted at
Dec 8, 2025, 6:10 PM
Active
[WTS] Omega Aqua Terra 41mm Black 2023 Card Full Set - $3700

Omega Aqua Terra 41mm Black 2023 Card Full Set - $3700

A 2023 Omega Seamaster Aqua Terra 41mm full set, including outer box, wood presentation box, warranty card, pictogram and Master Chronometer cards, and all booklets. The watch is in very good condition.

  • Condition: Very good overall condition with minor cosmetic wear
  • Case size: 41mm diameter
Posted at
Dec 8, 2025, 4:59 PM
Active
[WTS] 2025 Full Kit. Omega Seamaster Aqua Terra Co-Axial GMT 231.10.43.22.01.001

2025 Full Kit. Omega Seamaster Aqua Terra Co-Axial GMT 231.10.43.22.01.001

Beautiful Aqua Terra GMT, a luxury watch featuring a co-axial movement and GMT functionality.

  • Warranty: 5 year warranty dated February 2025
  • Box And Papers: true
Posted at
Dec 7, 2025, 5:44 PM
Active
[WTS] Omega Aqua Terra 36mm Great condition.

Omega Aqua Terra 36mm Great condition.

Omega - Aqua Terra 36mm · $3,600
This Omega Aqua Terra 36mm is in great condition and comes with its original box, paper, booklets, and eBay authentication. It also features an upgraded Omega clasp and two aftermarket President and Forstner flat link bracelets that have been tested to fit.

  • Condition: Great condition
  • Bracelet options: 2 (Original and aftermarket)
  • Box and paper included: yes
Posted at
Dec 6, 2025, 8:53 PM
Active
[WTS] REDUCED PRICE REPOST Omega Seamaster Aqua Terra 36mm 2504.50 Black Dial Full Set W/ Box & Papers

REDUCED PRICE REPOST Omega Seamaster Aqua Terra 36mm 2504.50 Black Dial Full Set W/ Box & Papers

Omega - 2504.50 · $3,150
Up for sale is my Omega Seamaster Aqua Terra 36mm, a full set watch with inner/outer boxes and authentication cards.

  • Condition: very good overall condition with minor hairlines on the bracelet and case
  • Case size: 36mm
  • Box papers included: yes
Posted at
Dec 6, 2025, 8:12 PM
Active
[WTS] Omega Seamaster Aqua Terra - Silver Wave - 2024

Omega Seamaster Aqua Terra - Silver Wave - 2024

Omega - 23110422102006 · $4,350
Aqua Terra 'wave dial' watch features a 41.5mm stainless steel case, silver wave-patterned dial with rhodium-plated hands and indexes, and is powered by the Omega Master Co-Axial Calibre 8500.

  • Case size: 41.5mm
  • Bracelet material: stainless steel
  • Movement type: Omega Master Co-Axial Calibre 8500
Posted at
Dec 6, 2025, 4:52 PM
Active
[WTS] Omega Seamaster Aqua Terra Gold Bezel White “Teak” Dial - 231.23.39.21.02.002 Papers and Travel Box - Excellent Condition

Omega Seamaster Aqua Terra Gold Bezel White “Teak” Dial - 231.23.39.21.02.002 Papers and Travel Box - Excellent Condition

The Omega Seamaster Aqua Terra features a vertical 'Teak-Concept' dial, inspired by luxury sailboats, paired with an 18K yellow gold bezel, giving it a warm and refined look.

  • Condition: Excellent Condition
  • Case size: 38.5mm
  • Water resistance: 150M
  • Movement type: Master Co-Axial Chronometer
Posted at
Dec 6, 2025, 3:11 PM
Active
[WTS] 2025 Omega Seamaster Aqua Terra Shades Lavender Dial 220.10.38.20.10.004

2025 Omega Seamaster Aqua Terra Shades Lavender Dial 220.10.38.20.10.004

This Omega Seamaster Aqua Terra features a 38mm case, Co-Axial Master Chronometer calibre 8800 movement, and comes in a full set including inner/outer box and papers.

  • Condition: Great, some hairlines scratches on bracelet and case
  • Movement: Co-Axial Master Chronometer calibre 8800 with 55 hours of power reserve
  • Bracelet: Steel bracelet with quick extension
  • Case size: 38mm
Posted at
Dec 6, 2025, 8:41 AM
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

Aqua Terra 150m Blue, a blue-dialed Omega Seamaster Aqua Terra with 150 meters of water resistance.

  • Bracelet length: 7.25 inches
Posted at
Dec 5, 2025, 9:06 PM
Active