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

Reference 231.23.39.21.06.001

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.
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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 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 watch designed for both style and functionality.

  • Bracelet length: 7.25 inches
Posted at
Feb 26, 2026, 8:18 PM
Active
[WTS] Omega Seamaster Aqua Terra – Annual Calendar – 38.5mm Blue Dial

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

Omega - 23110392203001 · $4,400
A versatile Omega Seamaster Aqua Terra Annual Calendar watch in blue dial with a 38.5mm stainless steel case, featuring an annual calendar complication and the Omega Co-Axial calibre 8601.

  • Condition: Excellent
  • Case size: 38.5mm diameter
  • Bracelet type: stainless steel bracelet
  • Clasp type: deployant clasp
Posted at
Feb 26, 2026, 11:31 AM
Active
[WTS] Omega Seamaster Aqua Terra Worldtimer Ref: 220.10.43.22.03.001 - Full set

Omega Seamaster Aqua Terra Worldtimer Ref: 220.10.43.22.03.001 - Full set

This Omega Seamaster Aqua Terra Worldtimer features a laser-engraved map of the world at the center of the dial, allowing you to keep track of timezones across the globe.

  • Condition: Excellent pre-owned condition
  • Bezel damage: small fleabite at 6:00
  • Bracelet condition: super clean
Posted at
Feb 25, 2026, 6:18 PM
Active
[WTS] Omega Seamaster Aqua Terra 38.5MM “Blue Teak” 231.10.39.21.03.002 | 2020 Box and Papers

Omega Seamaster Aqua Terra 38.5MM “Blue Teak” 231.10.39.21.03.002 | 2020 Box and Papers

2020 Omega Seamaster Aqua Terra 38.5MM 'Blue Teak' in excellent condition, with very slight wear.

  • Condition: Excellent Pre-Owned Condition
  • Service history: Unknown
  • Accuracy: +12 seconds per day
  • Amplitude: 340+
Posted at
Feb 24, 2026, 9:43 PM
Active
[WTS] Omega Aqua Terra 38m 4$250

Omega Aqua Terra 38m 4$250

Less than a year old Omega Aqua Terra for sale, in good shape.

  • Condition: Good, with scratches on the crystal and a couple hairline scratches
  • Year of manufacture: less than a year old
  • Warranty: Jomashop warranty card
  • Box and accessories included: yes
Posted at
Feb 24, 2026, 1:56 PM
Active
[WTS] Omega Seamaster Aqua Terra 38mm Blue Dial Ref. 220.10.38.20.03.001 Full Set + Extras Very Good Condition

Omega Seamaster Aqua Terra 38mm Blue Dial Ref. 220.10.38.20.03.001 Full Set + Extras Very Good Condition

For sale is an Omega Seamaster Aqua Terra, Ref: **220.10.38.20.03.001**, featuring the beautiful sunburst blue teak dial and stainless steel bracelet. This is a 2022 piece in very good overall condition, carefully worn and well maintained.

  • Condition: Very good
  • Diameter: 38mm
  • Set includes: Double box (inner & outer),Manuals,3 Omega cards (Pictograms, International Warranty, Master Chronometer),Omega presentation box,Omega white tag,Additional links for bracelet,AM leather strap,Omega travel case
Posted at
Feb 23, 2026, 11:19 PM
Active
[WTS] Omega Seamaster Aqua Terra 150m | Master Co-Axial | 41.5mm | 231.10.42.21.03.003 Blue

Omega Seamaster Aqua Terra 150m | Master Co-Axial | 41.5mm | 231.10.42.21.03.003 Blue

This Omega Seamaster Aqua Terra Master Co-Axial features a blue dial and 41.5mm case size.

  • Case Size: 41.5mm
  • Bracelet Length: 7.25 inches
Posted at
Feb 23, 2026, 5:11 PM
Active
Omega Aqua Terra 8800 - 38mm - Lacquer Black - 220.10.38.20.01.004 ( new )

Omega Aqua Terra 8800 - 38mm - Lacquer Black - 220.10.38.20.01.004 ( new )

Up for sale is a brand new Omega Aqua Terra 8800 38mm with Lacquer Black Dial, reference # 220.10.38.20.01.004.

  • Condition: Brand new
  • Case size: 38mm
  • Movement type: Master Chronometer Movement
Posted at
Apr 3, 2025, 3:15 PM
Active
Omega Seamaster Aqua Terra Green 41mm

Omega Seamaster Aqua Terra Green 41mm

The Omega Seamaster Aqua Terra Green is a versatile watch suitable for daily wear, featuring a Master Chronometer certified calibre 8900 with 60 hours of power reserve and antimagnetic properties. It has an excellent bracelet and proportions.

  • Condition: Near-mint, 94-95%
  • Case size: 41mm x 47.9mm lug to lug
  • Thickness: 13.2mm
  • Power reserve: 60 hours
Posted at
Mar 31, 2025, 10:30 AM
Active