Omega Aqua Terra Seamaster Aqua Terra 150M Co-Axial 30 Red Gold / Diamond / MOP / Bracelet
Reference 231.55.30.20.55.001
About this watch
The Omega Seamaster Aqua Terra 150M Co-Axial 30 is a masterpiece of horological innovation, blending advanced technology with luxurious design. Its self-winding Caliber 8521 movement boasts precision and reliability thanks to its Co-Axial Escapement, ensuring accuracy and longevity. The watch's red gold case is durable and visually stunning, complemented by a mother of pearl dial that shimmers with iridescent quality. Diamond-set bezel and indexes add opulence without excess, while the 30mm diameter makes it perfect for smaller wrists. A water resistance of 150 meters ensures durability in wet conditions, making it ideal for active lifestyles. The watch's Geneva waves in arabesque finish speak to Omega's commitment to aesthetic excellence, making the movement as visually appealing as it is functional. With a power reserve of up to 50 hours and an automatic winding capability, this timepiece delivers on both form and function.
Buy Now on Jomashop
This is an affiliate link
Key Features
- Self-winding Caliber 8521 movement
- Co-Axial Escapement for improved accuracy and longevity
- Red gold case with durable and visually stunning design
- Mother of pearl dial with iridescent quality
- Diamond-set bezel and indexes for added opulence
- Water resistance of 150 meters for durability in wet conditions
- Power reserve of up to 50 hours with automatic winding capability
Specifications
- Brand
- Omega
- Family
- Aqua Terra
- Model
- Seamaster Aqua Terra 150M Co-Axial 30 Red Gold / Diamond / MOP / Bracelet
- Reference
- 231.55.30.20.55.001
- Movement
- 8521
- Movement Features
-
- Hours, Minutes, Seconds
- Date
- Chronometer, Co-Axial Escapement
- Case
- Red Gold 30mm
- Dial Color
- White
- Crystal
- Sapphire
- Water Resistance
- 150
Current Listings
![[WTS] Omega Seamaster Aqua Terra Blue Wave Dial Gold Hands Ref 231.10.42.21.03.006](https://preview.redd.it/jkn995u6hvbf1.jpg?width=640&crop=smart&auto=webp&s=d7b42a38a09f6a565e1546ec9b05c0e8f3ac78db)
Omega Seamaster Aqua Terra Blue Wave Dial Gold Hands Ref 231.10.42.21.03.006
This Omega Seamaster Aqua Terra features a blue wave dial and gold hands/indicies, making it an incredible value for its price. The watch comes with extra links, an Omega travel case, and is in good shape, keeping time at +1 sec/day.
- Condition: Good shape, +1 sec/day accuracy
- Case marks: A couple of very fine marks on the non-crown side of the case
- Shipping: Overnight shipping, fully insured, signature required

Omega Aqua Terra 8800 - Turquoise - 38mm - 220.10.38.20.03.005 ( new / 2025 )
The Omega Aqua Terra 8800 is a luxury watch with a 38mm stainless steel case, featuring the Omega 8800 calibre and a turquoise dial.
- Condition: Brand New
- Case Size: 38mm diameter
![[WTS] Forstner 20mm Model O Bracelet for Omega Seamaster, Aqua Terra, Railmaster, and Planet Ocean - NEW - $135](https://preview.redd.it/qbzwvt6w8pbf1.jpeg?auto=webp&s=075af9f7069ff7e82c406a31a4395d8bc83fc8b7)
Forstner 20mm Model O Bracelet for Omega Seamaster, Aqua Terra, Railmaster, and Planet Ocean - NEW - $135
路
$135
- Condition: New, never worn beyond sizing
- Watch compatibility: Omega Seamaster, Aqua Terra, Railmaster, Planet Ocean
![[WTS] Omega Seamaster Aqua Terra 38.5mm Automatic Calibre 8500 231.10.39.21.06.001](https://preview.redd.it/7komosus4pbf1.jpeg?auto=webp&s=f48e335f2eaedae047596b6a4577523564815fa3)
Omega Seamaster Aqua Terra 38.5mm Automatic Calibre 8500 231.10.39.21.06.001
This Omega Seamaster Aqua Terra is a 38.5mm watch featuring an automatic Calibre 8500 movement and comes with a 7.75 inch bracelet.
- Condition: Awesome condition
- Bracelet length: 7.75 inches
![[WTS]馃敟 Omega Seamaster Aqua Terra 150M Chronometer 2503.30 Automatic, Men鈥檚 39mm, $2150 SHIPPED !!! 馃敟](https://preview.redd.it/cd7uzec1mobf1.jpeg?auto=webp&s=7e2119d50441f199abcecbe96c84c9b7da72e616)
馃敟 Omega Seamaster Aqua Terra 150M Chronometer 2503.30 Automatic, Men鈥檚 39mm, $2150 SHIPPED !!! 馃敟
The Omega Seamaster Aqua Terra 150M Chronometer is a user-friendly watch with a clean and straightforward design, featuring a silver dial, automatic movement, and 150m water resistance.
- Condition: Good, Perfect timekeeping
- Case Material: Stainless Steel
- Glass: Scratch resistant Sapphire
- Caseback: Display
![[WTS] REPOST AND REDUCED, OMEGA Dynamic 5250.50, REF 166.0310, Uncle Straps Aqua Terra inspired bracelet, with gorgeous aftermarket brown strap, Omega buckle, ASKING $1265 ALL-IN TO BUYER VIA ZELLE, SHIPPED CONUS ONLY, INSURED, POTENTIALLY EXPEDITED](https://preview.redd.it/84xd4bdc6jbf1.jpg?width=640&crop=smart&auto=webp&s=efbfa39fa6a6257addb222adc9d23931b2aec5d3)
REPOST AND REDUCED, OMEGA Dynamic 5250.50, REF 166.0310, Uncle Straps Aqua Terra inspired bracelet, with gorgeous aftermarket brown strap, Omega buckle, ASKING $1265 ALL-IN TO BUYER VIA ZELLE, SHIPPED CONUS ONLY, INSURED, POTENTIALLY EXPEDITED
- Condition: Pre-owned, serviced in late 2023
- Case Diameter: 36.5MM
- Lug To Lug: 42MM
- Thickness: 9.3MM
![[WTS] REDUCED - Omega Seamaster Aqua Terra 150M Co-axial 30mm 231.10.30.20.02.001](https://preview.redd.it/6st8nvgpbhbf1.jpg?width=640&crop=smart&auto=webp&s=b17f2e1c3dd4d9beb117385993ed9d60cc9cbbd5)
REDUCED - Omega Seamaster Aqua Terra 150M Co-axial 30mm 231.10.30.20.02.001
The Omega Seamaster Aqua Terra 150M is a 30mm automatic watch with a white teak striped dial, powered by the OMEGA Co-Axial calibre 8520. This certified chronometer features a transparent caseback and was purchased new in 2020.
- Condition: Near New/Mint Condition
- Diameter: 30mm
- Depth rating: 150m