Omega Aqua Terra Seamaster Aqua Terra 150M Master Co-Axial 34 Stainless Steel / Sedna Gold / Diamond / MOP

Reference 231.28.34.20.55.003

About this watch

The Omega Seamaster Aqua Terra 231.28.34.20.55.003 is a luxurious timepiece that embodies elegance and functionality. With its blend of stainless steel and Sedna gold, this watch creates a striking visual contrast. The gem-set bezel adorned with sparkling diamonds elevates the watch's overall aesthetic, making it a true conversation starter. The mother of pearl (MOP) dial adds a unique depth, with light reflecting beautifully off its surface, creating a mesmerizing display. At the heart of this timepiece lies the Omega caliber 8520 movement, a marvel of engineering known for its reliability and precision. This automatic movement boasts a 50-hour power reserve and a frequency of 25,200 vibrations per hour, ensuring perfect timekeeping. The Seamaster Aqua Terra is certified as a chronometer, guaranteeing superior accuracy and performance. With a 34mm diameter, this watch is perfectly sized for those who prefer a more understated look. It's ideal for both men and women, making it a unisex option that can be worn comfortably on any wrist. The Omega Seamaster Aqua Terra includes a date function, conveniently located to ensure you're always on top of your schedule. With a water resistance of 150 meters, this watch is suitable for swimming and snorkeling, allowing you to enjoy leisure activities without worrying about damaging your timepiece.
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MSRP: $15,500
Market Price: $5,924

Key Features

  • Omega caliber 8520 automatic movement
  • Chronometer certified for superior accuracy
  • Water resistance up to 150 meters
  • Date function with analog display
  • Sedna gold and stainless steel case
  • Gem-set bezel with sparkling diamonds
  • Mother of pearl (MOP) dial

Specifications

Brand
Omega
Family
Aqua Terra
Model
Seamaster Aqua Terra 150M Master Co-Axial 34 Stainless Steel / Sedna Gold / Diamond / MOP
Reference
231.28.34.20.55.003
Movement
8520
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
34mm
Dial Color
White
Crystal
Sapphire
Water Resistance
150

Current Listings

[WTS] 2023 OMEGA Aqua Terra Worldtimer GMT Titanium - 220.92.43.22.99.001 - Full Set Extra OEM NATO Mint

2023 OMEGA Aqua Terra Worldtimer GMT Titanium - 220.92.43.22.99.001 - Full Set Extra OEM NATO Mint

The Aqua Terra Worldtimer is a grade 2 titanium timepiece with a matte finish, black ceramic bezel, and laser etched dial featuring continents and indices. It's mounted on a black rubber integrated strap.

  • Condition: Very excellent pre-owned condition
  • Case size: 43mm diameter
  • Water resistance: 150m depth rating
  • Movement: Co-Axial Master Chronometer Calibre 8938 (METAS certified)
Posted at
Apr 8, 2026, 7:32 PM
Active
[WTS] Omega Seamaster Aqua Terra Worldtimer “Summer Blue”

Omega Seamaster Aqua Terra Worldtimer “Summer Blue”

This Omega Seamaster Aqua Terra Worldtimer features a stunning 'Summer Blue' dial with laser-ablated continents, showcasing one of the most visually impressive modern Omega pieces.

  • Condition: Brand new old stock and unworn
  • Case size: 43mm
  • Material: stainless steel
  • Movement: Omega Co-Axial Master Chronometer Caliber 8938
Posted at
Apr 8, 2026, 6:39 PM
Active
[WTS] Omega - 2502.34.00 Seamaster Aqua Terra 150M Co-Axial 42.2 Stainless Steel

Omega - 2502.34.00 Seamaster Aqua Terra 150M Co-Axial 42.2 Stainless Steel

Omega - 2502.34.00 · $4,500
The Omega Seamaster Aqua Terra 150M Co-Axial features a 42.2mm stainless steel case and pristine white dial, exemplifying Omega's commitment to robust performance and elegant design.

  • Condition: Very good
  • Case size: 41MM diameter
  • Bezel material: Stainless
  • Movement type: Omega caliber 2500 Co-Axial Escapement Chronometer
Posted at
Apr 8, 2026, 5:56 PM
Active
[WTS] 2023 Omega Seamaster Aqua Terra Skyfall Blue 231.10.42.21.03.003 41.5mm Full Set - $4,995

2023 Omega Seamaster Aqua Terra Skyfall Blue 231.10.42.21.03.003 41.5mm Full Set - $4,995

Up for sale is a Omega Seamaster Aqua Terra Skyfall Blue, a 2023 model featuring a 41.5mm diameter case.

  • Condition: Excellent condition with minimal signs of wear
  • Case Size: 41.5mm diameter
  • Movement Testing: tested on a timegrapher
Posted at
Apr 8, 2026, 12:55 PM
Active
[WTS] 2024 Omega Seamaster Aqua Terra Terracotta Shades 38m Red Dial on Bracelet 220.10.38.20.13.003 B+P

2024 Omega Seamaster Aqua Terra Terracotta Shades 38m Red Dial on Bracelet 220.10.38.20.13.003 B+P

The Omega Seamaster Aqua Terra Shades 220.10.38.20.13.003 features a rich red terracotta dial on a 38mm stainless steel case, with a Master Chronometer movement delivering accuracy and reliability.

  • Condition: Mint condition, almost no signs of wear
  • Case Diameter: 38mm
  • Bezel Material: Stainless Steel
  • Dial Color: Red
Posted at
Apr 8, 2026, 12:47 PM
Active
[WTS] Omega Seamaster Aqua Terra 231.10.39.21.01.001 Black Teak 38.5mm  - $3,290

Omega Seamaster Aqua Terra 231.10.39.21.01.001 Black Teak 38.5mm - $3,290

Up for sale is my great condition Omega Seamaster Aqua Terra 231.10.39.21.01.001 with a steel case on original Omega steel bracelet.

  • Condition: very good for its age, minimal marks/hairlines on case, caseback, and bracelet
  • Movement: Omega Calibre 8500
  • Case size: 38.5mm diameter
  • Bracelet type: original Omega steel bracelet
Posted at
Apr 7, 2026, 9:27 PM
Active
[WTS] 2025 Omega Aqua Terra 150M 41mm 220.10.41.21.03.006

2025 Omega Aqua Terra 150M 41mm 220.10.41.21.03.006

  • Year: 2025
  • Depth rating: 150m
  • Case size: 41mm
Posted at
Apr 7, 2026, 9:04 PM
Active
[WTS] Omega Seamaster Aqua Terra 150M 220.10.41.21.03.001 – Blue Teak Dial – VG – Box & Papers

Omega Seamaster Aqua Terra 150M 220.10.41.21.03.001 – Blue Teak Dial – VG – Box & Papers

  • Condition: Very Good
  • Water Resistance: 150m
  • Power Reserve: ~60 hours
  • Case Size: 41mm diameter
Posted at
Apr 7, 2026, 2:24 PM
Active
[WTS] Omega Seamaster Aqua Terra 231.10.42.21.02.001 - Price Reduced!

Omega Seamaster Aqua Terra 231.10.42.21.02.001 - Price Reduced!

This is a Watch-only example of the Omega Seamaster Aqua Terra in White Dial, model number 231.10.42.21.02.001, featuring a 41.5mm size and excellent condition.

  • Condition: Very clean pre-owned condition with light wear throughout.
  • Size: 41.5mm
Posted at
Apr 6, 2026, 6:21 PM
Active