Omega Aqua Terra Seamaster Aqua Terra 150m Master Co-Axial 41.5 Stainless Steel / Red Gold / Silver / Bracelet
Reference 231.20.42.21.02.001
About this watch
The Omega Seamaster Aqua Terra 150m Master Co-Axial is a stunning timepiece that exudes sophistication and technical prowess. This luxury watch boasts exceptional craftsmanship, combining stainless steel and red gold for a striking appearance. The round case diameter of 41.5 mm strikes a perfect balance between making a statement and being unobtrusive. The open case back reveals the intricate Omega caliber 8500 movement, which features a Co-Axial escapement that reduces friction and enhances longevity. With a water resistance of 150 meters, this watch is perfect for those who enjoy water sports or want peace of mind in wet conditions. The silver dial with red gold accents creates a striking yet elegant look, making it suitable for both formal and casual occasions.
Key Features
- Omega caliber 8500 movement
- Stainless steel and red gold case
- Sapphire glass
- 150 meters water resistance
- 60-hour power reserve
- Co-Axial escapement
- Silver dial with red gold accents
Specifications
- Brand
- Omega
- Family
- Aqua Terra
- Model
- Seamaster Aqua Terra 150m Master Co-Axial 41.5 Stainless Steel / Red Gold / Silver / Bracelet
- Reference
- 231.20.42.21.02.001
- Movement
- 8500
- Movement Features
-
- Hours, Minutes, Seconds
- Date
- Chronometer, Co-Axial Escapement
- Case
- 41.5mm
- Dial Color
- Silver
- Crystal
- Sapphire
- Water Resistance
- 150
Current Listings

Omega Aqua Terra Silver Dial 220.10.38.20.02.001 B/P
The Omega Aqua Terra reference 220.10.38.20.02.001 is a 38mm variant with silver/white dial on bracelet, great size and versatile piece.
- Condition: Very good condition, minor surface wear on high polish areas (bracelet center links and bezel)
- Second Owner: true
- Size: 38mm
- Dial: silver/white

Omega Aqua Terra 8800 - 38mm - Blue Dial - 220.10.38.20.03.001 ( new / 2025 )
This Omega Aqua Terra 8800 is a brand new stainless steel watch with a 38mm case and blue dial, complete with all original boxes, papers, and warranty card.
- Condition: Brand new
- Case size: 38mm diameter
- Movement: Master Chronometer

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"