Omega Aqua Terra Seamaster Aqua Terra 150M Co-Axial 38.5 Annual Calendar Stainless Steel / Red Gold / Grey
Reference 231.23.39.22.06.001
About this watch
The Omega Seamaster Aqua Terra 150M Co-Axial 38.5 Annual Calendar (model 231.23.39.22.06.001) is a stunning timepiece that embodies the spirit of adventure and sophistication. With its elegant grey dial, stick and dot indexes, and red gold accents, this watch is a perfect blend of functionality and aesthetics. The Omega caliber 8601 movement features a Co-Axial escapement, reducing friction and enhancing accuracy, while providing a power reserve of 60 hours. The annual calendar feature allows for easy date adjustment, only requiring setting once a year. With a water resistance of 150 meters and sapphire crystal glass, this watch is both stylish and robust. Whether you're swimming, snorkeling, or just caught in a rainstorm, the Omega Seamaster Aqua Terra can handle it all without missing a beat.
Key Features
- Omega caliber 8601 movement
- Co-Axial escapement
- Annual calendar feature
- 150-meter water resistance
- Sapphire crystal glass
- 38.5 mm round case
- Red gold and stainless steel construction
Specifications
- Brand
- Omega
- Family
- Aqua Terra
- Model
- Seamaster Aqua Terra 150M Co-Axial 38.5 Annual Calendar Stainless Steel / Red Gold / Grey
- Reference
- 231.23.39.22.06.001
- Movement
- 8601
- Movement Features
-
- Hours, Minutes, Seconds
- Date, Annual Calendar, Month
- Chronometer, Co-Axial Escapement
- Case
- 38.5mm
- Dial Color
- Grey
- Crystal
- Sapphire
- Water Resistance
- 150
Current Listings

Omega Aqua Terra 8900 - 41mm - Grey / Blue - 220.12.41.21.06.001 (new / 2025)
Aqua Terra 8900 41mm Gray Dial on Blue Rubber Strap, complete with all boxes and papers.
- Condition: Brand new
- Case material: Stainless Steel
- Movement caliber: Master Chronometer Movement
- Shipping cost international: $150

Omega Aqua Terra 8800 - Summer Blue - 38mm - 220.10.38.20.03.004 ( new )
The Omega Aqua Terra 8800 is a Master Chronometer movement watch with a stainless steel case and summer blue dial, available on a bracelet.
- Condition: Brand new
- Case size: 38mm
- Movement type: Master Chronometer

2015 Omega Aqua Terra Ref. 231.13.39.21.03.001 with Box & Papers
This iconic previous generation Seamaster Aqua Terra honors maritime heritage with a dial inspired by luxury sailboat decks, featuring a sun-brushed, lacquered blue Vertical Teak dial and a 38.5mm stainless steel case.
- Condition: Excellent (little to no signs of wear)
- Movement: Automatic
- Case width: 38.5mm
- Strap length: 7.50"