Omega Aqua Terra Seamaster Aqua Terra 150M Co-Axial 38.5 Stainless Steel / Red Gold / Black / Bracelet
Reference 231.20.39.21.51.003
About this watch
The Omega Aqua Terra 231.20.39.21.51.003 is a masterpiece of engineering and design, combining elegance with functionality. Crafted from a harmonious blend of stainless steel and red gold, this watch exudes luxury and durability. The black dial, complemented by gem-set indexes, adds a touch of sophistication that's hard to ignore. The round case, with a diameter of 38.5mm, strikes an ideal balance between boldness and wearability. At the core lies the Omega caliber 8500 movement, renowned for its precision and reliability, featuring 39 jewels and a frequency of 25,200 vibrations per hour. This automatic movement boasts an impressive 60-hour power reserve, ensuring it keeps perfect time even when taken off for days. With a water resistance of up to 150 meters, this watch is suitable for swimming and snorkeling. As a 'Master Co-Axial Chronometer', it has passed stringent tests ensuring its accuracy. The date function included ensures you always know what day it is, while the comfortable fit makes it perfect for all-day wear. Whether in formal or casual settings, the Aqua Terra's design speaks volumes and adapts to any outfit.
Key Features
- Omega caliber 8500 movement
- 60-hour power reserve
- 150m water resistance
- Date function
- Master Co-Axial Chronometer certification
- Stainless steel and red gold construction
- Black dial with gem-set indexes
Specifications
- Brand
- Omega
- Family
- Aqua Terra
- Model
- Seamaster Aqua Terra 150M Co-Axial 38.5 Stainless Steel / Red Gold / Black / Bracelet
- Reference
- 231.20.39.21.51.003
- Movement
- 8500
- Movement Features
-
- Hours, Minutes, Seconds
- Date
- Chronometer, Co-Axial Escapement
- Case
- 38.5mm
- Dial Color
- Black
- Crystal
- Sapphire
- Water Resistance
- 150
Current Listings

2024 Omega Aqua Terra Ref. 220.12.41.21.03.001 with Box & Papers LNOS
The Omega Seamaster Aqua Terra 150M features a blue dial with a horizontal pattern, inspired by wooden boat decks, and is powered by Omega's Master Chronometer Calibre 8900. It has a 41mm stainless steel case, a comfortable blue rubber strap, and is water-resistant up to 150 meters.
- Condition: Like New
- Case Width: 41mm
- Movement: Automatic
- Depth Rating: 150m

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"