Omega Aqua Terra Seamaster Aqua Terra 150m Master Co-Axial 38.5 Stainless Steel / Red Gold / Silver / Bracelet

Reference 231.20.39.21.02.001

Omega Seamaster Aqua Terra 150m Master Co-Axial 38.5 Stainless Steel / Red Gold / Silver / Bracelet

About this watch

The Omega Seamaster Aqua Terra 150m Master Co-Axial is a marvel of Swiss watchmaking, offering an exquisite blend of style and performance. Its stunning stainless steel and red gold case strikes a perfect balance between boldness and wearability, while the silver dial features stick and dot indexes for clean readability. The in-house caliber 8500 movement, featuring a Co-Axial escapement, reduces friction and enhances precision, making it a reliable companion for those who lead active lifestyles. With a water resistance of 150 meters and a certified chronometer status, this timepiece is designed to keep impeccable time while withstanding the rigors of everyday wear. Whether you're in the boardroom or on the beach, this watch is sure to catch eyes and reflect your taste for quality. Its blend of elegance and functionality makes it perfect for anyone who values style and precision.
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Key Features

  • Stainless Steel and Red Gold Case
  • In-House Caliber 8500 Movement
  • 150m Water Resistance
  • Certified Chronometer Status
  • Sapphire Glass
  • 38.50mm Diameter
  • 60-hour Power Reserve

Specifications

Brand
Omega
Family
Aqua Terra
Model
Seamaster Aqua Terra 150m Master Co-Axial 38.5 Stainless Steel / Red Gold / Silver / Bracelet
Reference
231.20.39.21.02.001
Movement
8500
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
38.5mm
Dial Color
Silver
Crystal
Sapphire
Water Resistance
150

Current Listings

[WTS] Omega Aqua Terra 39mm Automatic

Omega Aqua Terra 39mm Automatic

Omega - 2503.80 · $2,400
Up for sale is my Omega Aqua Terra 39mm Automatic watch, which sports a stunning blue dial and beautifully polished indices.

  • Condition: Great condition
  • Diameter: 39mm
Posted at
Apr 27, 2026, 10:28 AM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster Aqua Terra 2503.33 - $2,750

Omega Seamaster Aqua Terra 2503.33 - $2,750

Omega - 2503.33 · $2,750
Up for sale is the Omega Seamaster Aqua Terra 2503.33, measuring 39mm and featuring an automatic movement.

  • Condition: Very good condition
  • Case size: 39mm diameter
  • Movement type: Omega 2500 automatic
  • Bracelet material: Steel
Posted at
Apr 26, 2026, 10:02 PM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster Aqua Terra 2504.50 36mm - $2,490

Omega Seamaster Aqua Terra 2504.50 36mm - $2,490

Omega - 2504.50 · $2,490
This watch measures 36mm and has an automatic movement. The Omega Seamaster Aqua Terra features a steel case on an original Omega Steel bracelet.

  • Condition: 8.9/10 great condition with minimal patina on dial indices and hands
  • Case size: 36mm diameter
  • Bracelet type: Steel original Omega bracelet
  • Crystal type: Sapphire crystal
Posted at
Apr 26, 2026, 9:59 PM
Active
View listing on r/WatchExchange
[WTS] Omega Aqua Terra 38.5mm Blue Dial

Omega Aqua Terra 38.5mm Blue Dial

Omega - 231.10.39.21.03.002 · $3,500
The Omega Aqua Terra features a dark blue dial with vertical teak pattern and measures 38.5mm in diameter, with a lug width of 19mm and thickness of 12.84mm.

  • Condition: Good condition
  • Case Diameter: 38.5 mm
  • Lug Width: 19 mm
  • Thickness: 12.84 mm
Posted at
Apr 26, 2026, 5:45 PM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster Aqua Terra – Annual Calendar – 38.5mm Blue Dial

Omega Seamaster Aqua Terra – Annual Calendar – 38.5mm Blue Dial

Omega - 23110392203001 · $4,200
The Omega Seamaster Aqua Terra features an annual calendar complication, a clean design, and is suitable for everyday wear. The watch has a stainless steel case and bracelet with deployant clasp.

  • Condition: Excellent condition
  • Case size: 38.5mm diameter
  • Bracelet material: stainless steel
Posted at
Apr 26, 2026, 4:02 PM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster Aqua Terra 41mm White Dial (220.10.41.21.02.001) Full Set, Warranty, Excellent Condition

Omega Seamaster Aqua Terra 41mm White Dial (220.10.41.21.02.001) Full Set, Warranty, Excellent Condition

Omega - 220.10.41.21.02.001 · $5,100
This Omega Seamaster Aqua Terra is a clean and versatile daily watch featuring a white teak dial with orange accents.

  • Condition: Like new with light wear from normal daily use
  • Case size: 41mm diameter
  • Movement type: Co-Axial Master Chronometer
Posted at
Apr 26, 2026, 1:23 PM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster Aqua Terra 231.10.39.60.06.001 $2,225

Omega Seamaster Aqua Terra 231.10.39.60.06.001 $2,225

Omega - 231.10.39.60.06.001 · $2,225
The Omega Seamaster Aqua Terra Quartz is a versatile luxury watch with exceptional movement technology, often cited as an ideal 'one-and-only-one' watch.

  • Condition: Excellent pre-owned condition
  • Case diameter: 38.5mm
  • Lug width: 19mm
  • Lug-to-lug length: 45.4mm
Posted at
Apr 26, 2026, 12:54 PM
Active
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[WTS] Omega Aqua Terra OEM Black Rubber Strap. With End link and deployant clasp.

Omega Aqua Terra OEM Black Rubber Strap. With End link and deployant clasp.

Omega - Aquaterra 41mm · $400
A lightly worn OEM Omega Aquaterra strap with end link and deployant clasp.

  • Condition: Very lightly worn
  • Lug Width: 20mm
  • Strap Material: rubber
Posted at
Apr 25, 2026, 4:50 PM
Active
View listing on r/WatchExchange
[WTS] Sept 2025 Omega Aqua Terra 41mm. Green Teak Dial. 220.10.41.21.10.001. Full Set.

Sept 2025 Omega Aqua Terra 41mm. Green Teak Dial. 220.10.41.21.10.001. Full Set.

Omega - 220.10.41.21.10.001 · $4,695
This Omega Aqua Terra is a 41mm watch with a Green Teak dial, featuring a full set and under warranty.

  • Condition: Full set with minimal wear
  • Diameter: 41mm
  • Warranty status: under warranty
Posted at
Apr 25, 2026, 4:09 PM
Active
View listing on r/WatchExchange