Omega Aqua Terra Seamaster Aqua Terra 150M Co-Axial 38.5 Stainless Steel / Red Gold / Grey

Reference 231.23.39.21.06.001

Omega Seamaster Aqua Terra 150M Co-Axial 38.5 Stainless Steel / Red Gold / Grey

About this watch

The Omega Seamaster Aqua Terra 150M Co-Axial 38.5 is a luxurious timepiece that embodies precision, craftsmanship, and style. This stunning watch boasts an exquisite combination of stainless steel and red gold construction, giving it a luxurious yet durable appeal. The 38.5mm round shape strikes a perfect balance between boldness and subtlety, making it suitable for both men and women. The grey dial is sophisticated and versatile, pairing beautifully with various outfits. The open case back allows you to admire the intricate Omega caliber 8500 movement, which features two barrels providing a robust 60-hour power reserve. This chronometer has undergone rigorous testing to ensure its accuracy, meeting the standards set by the Swiss Official Chronometer Testing Institute (COSC). With a water resistance of 150 meters and an easy-to-read date function, this watch is perfect for daily wear. Its classic design ensures it won't go out of style, making it a timeless addition to any collection. For watch collectors, the Omega Seamaster Aqua Terra 150M Co-Axial 38.5 is a must-have, combining innovative movement, luxury materials, and stunning aesthetic. This remarkable choice offers both functionality and style, standing out among its peers.
Buy Now on Jomashop
This is an affiliate link

Key Features

  • Omega Caliber 8500 Movement
  • 60-Hour Power Reserve
  • 150M Water Resistance
  • Grey Dial with Stick and Dot Indexes
  • Red Gold Accents on Stainless Steel Case
  • Open Case Back for Visible Movement
  • Chronometer Certified by COSC

Specifications

Brand
Omega
Family
Aqua Terra
Model
Seamaster Aqua Terra 150M Co-Axial 38.5 Stainless Steel / Red Gold / Grey
Reference
231.23.39.21.06.001
Movement
8500
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
38.5mm
Dial Color
Grey
Crystal
Sapphire
Water Resistance
150

Current Listings

[WTS] Omega Seamaster Aqua Terra – James Bond SkyFall – 38.5mm

Omega Seamaster Aqua Terra – James Bond SkyFall – 38.5mm

Omega - 231.10.39.21.03.001 · $3,900
This Omega Seamaster Aqua Terra 150M 'SKYFALL' is a James Bond watch with a blue teak pattern dial, stainless steel case and bracelet. It features an Omega Co-Axial 8500 calibre automatic movement.

  • Condition: Excellent overall condition
  • Case diameter: 38.5mm
  • Movement type: Co-Axial automatic
Posted at
Jan 14, 2026, 10:38 PM
Active
View listing on r/WatchExchange
[WTS] Omega Aqua Terra Sandstone 220.10.38 38mm - $3,850

Omega Aqua Terra Sandstone 220.10.38 38mm - $3,850

Omega - 220.10.38 · $3,850
Up for sale is my Omega Seamaster Aqua Terra ref. 220.10.38 in great condition with an OMEGA 8800 movement.

  • Condition: Great condition, minor marks on the case and crystal
  • Case size: 38mm diameter
  • Bracelet length compatibility: up to 7 inch wrists depending on wrist shape
Posted at
Jan 14, 2026, 9:17 PM
Active
View listing on r/WatchExchange
[WTS] Omega Aqua Terra 220.10.41 Black Dial 41mm Full Kit 2023 - $4,150

Omega Aqua Terra 220.10.41 Black Dial 41mm Full Kit 2023 - $4,150

Omega - 220.10.41.21 · $4,150
Up for sale is a very good condition Omega Seamaster Aqua Terra with a 41mm case and Calibre OMEGA 8900 automatic movement.

  • Condition: Very good condition, minimal marks/hairlines on the case
  • Case size: 41mm
  • Movement type: Calibre OMEGA 8900
  • Water resistance: 150m
Posted at
Jan 14, 2026, 9:11 PM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster Aqua Terra 38mm 150M 220.12.38.20.01.001 No Box or Papers, Extra Alligator Leather Strap, Good Condition

Omega Seamaster Aqua Terra 38mm 150M 220.12.38.20.01.001 No Box or Papers, Extra Alligator Leather Strap, Good Condition

Omega - 220.12.38.20.01.001 · $4,000
The Omega Seamaster Aqua Terra 38mm is a tribute to OMEGA’s rich maritime heritage, with a symmetrical stainless steel case and black dial featuring a horizontal “teak” pattern. It's powered by the OMEGA Master Chronometer calibre 8800, certified at the industry’s highest standard. The watch includes an extra authentic Omega Alligator leather strap.

  • Condition: Good, with a few scratches
  • Case diameter: 38mm
  • Water resistance: 150m (500ft)
  • Movement type: Self winding
Posted at
Jan 14, 2026, 2:22 PM
Active
View listing on r/WatchExchange
[WTS] 2015 Omega Seamaster Aqua Terra 150M Golf Edition 41.5mm 231.10.42.21.01.004 Full Set

2015 Omega Seamaster Aqua Terra 150M Golf Edition 41.5mm 231.10.42.21.01.004 Full Set

Omega - 231.10.42.21.01.004 · $4,000
A classic Aqua Terra design inspired by the world of golf, with subtle green accents.

  • Condition: Excellent
  • Year: 2015
  • Size: 41.5mm
  • Contents: Full Set
Posted at
Jan 14, 2026, 11:12 AM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster Aqua Terra 150M Shades 38mm Green – Full Set

Omega Seamaster Aqua Terra 150M Shades 38mm Green – Full Set

Omega - 220.10.38.20.10.002 · $4,999
This Omega Seamaster Aqua Terra Shades 38mm features a green dial and is powered by the Caliber 8800 Co-Axial Master Chronometer movement.

  • Condition: Excellent
  • Case size: 38mm diameter
  • Water resistance: 150m depth rating
  • Dial color: Green
Posted at
Jan 13, 2026, 10:45 PM
Active
View listing on r/WatchExchange
[WTS] Omega Aqua Terra Seamaster Quartz 231.10.39.60 38.5mm Grey Teak, Applied Indices - $1,790

Omega Aqua Terra Seamaster Quartz 231.10.39.60 38.5mm Grey Teak, Applied Indices - $1,790

Omega - 231.10.39.60 · $1,790
Up for sale is my Omega Aqua Terra Seamaster Quartz 231.10.39.60, a watch measuring at 38.5mm and featuring an Omega 45640 quartz movement.

  • Condition: 8.9/10 - great condition with minimal marks/hairlines on the case, caseback, high polished steel bezel and bracelet clasps/sides
  • Movement: Omega 45640 quartz movement
  • Case Size: 38.5mm diameter
  • Crystal Type: sapphire crystal
Posted at
Jan 13, 2026, 9:01 PM
Active
View listing on r/WatchExchange
[WTS] Omega Aqua Terra 2504.50

Omega Aqua Terra 2504.50

Omega - 2504.50 · $2,500
Aqua Terra 2504.50, a luxury watch with legibility concerns due to lack of Arabic indices. The watch has a recent service history and comes with additional accessories.

  • Condition: Pre-owned with some minor cosmetic imperfections
  • Crown service history: recently serviced and replaced
  • Bracelets included: Forstner Flat Link, Forstner Contemporary Flat Link
Posted at
Jan 13, 2026, 3:19 PM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster Aqua Terra 38.5mm –Discontinued Grey Skyfall “Teak”Dial - Full Set in Excellent Condition

Omega Seamaster Aqua Terra 38.5mm –Discontinued Grey Skyfall “Teak”Dial - Full Set in Excellent Condition

Omega - 231.10.39.21.06.001 · $3,950
A 2021 Omega Seamaster Aqua Terra 38.5mm with a highly sought-after grey teak 'Skyfall' dial, featuring an in-house Calibre 8500 Co-Axial movement and a smooth 60-hour power reserve.

  • Condition: Excellent
  • Case Size: 38.5mm diameter
  • Dial Color: grey with teak pattern
  • Movement: Omega Co-Axial Calibre 8500
Posted at
Jan 12, 2026, 11:33 PM
Active
View listing on r/WatchExchange