Omega Aqua Terra Seamaster Aqua Terra 150M Master Co-Axial 34 Sedna Gold / Diamond / MOP / Bracelet
Reference 231.55.34.20.55.003
About this watch
The Omega Seamaster Aqua Terra 150M Master Co-Axial 34 Sedna Gold is a masterpiece of watchmaking, boasting exquisite craftsmanship and innovative technology. This stunning timepiece features a unique Sedna Gold alloy, Mother of Pearl dial, and gem-set indexes and bezel, exuding luxury and warmth. The round shape and elegant bracelet ensure a comfortable fit for any wrist size, making it perfect for both casual and formal settings. With a water resistance of 150 meters, this watch is built for adventure, handling splashes, swimming, and snorkeling with ease. At its core lies the Omega Caliber 8521 movement, featuring a Co-Axial Escapement that improves precision, stability, and durability. The free-sprung balance system with a silicon balance-spring enhances accuracy, making it a chronometer you can trust. With automatic winding in both directions and a power reserve of 50 hours, this watch is always ready to go. Its luxurious feel matches the stunning exterior, giving you a glimpse into its intricate workings through the open case back.
Key Features
- Sedna Gold alloy
- Mother of Pearl dial
- Gem-set indexes and bezel
- Co-Axial Escapement movement
- Automatic winding in both directions
- 50-hour power reserve
- 150-meter water resistance
Specifications
- Brand
- Omega
- Family
- Aqua Terra
- Model
- Seamaster Aqua Terra 150M Master Co-Axial 34 Sedna Gold / Diamond / MOP / Bracelet
- Reference
- 231.55.34.20.55.003
- Movement
- 8521
- Movement Features
-
- Hours, Minutes, Seconds
- Date
- Chronometer, Co-Axial Escapement
- Case
- Sedna Gold 34mm
- Dial Color
- White
- Crystal
- Sapphire
- Water Resistance
- 150
Current Listings

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"