Omega Aqua Terra Seamaster Aqua Terra 150M Master Co-Axial 38.5 Red Gold / MOP / Diamond
Reference 231.55.39.21.55.001
About this watch
The Omega Seamaster Aqua Terra is a masterpiece of luxury watchmaking, boasting a stunning red gold case paired with an elegant mother-of-pearl dial. The gem-set indexes add a touch of luxury, while the arrow-shaped hands sweep across the dial with fluidity. Under the hood, the caliber 8501 automatic movement features a gold rotor and a 60-hour power reserve, ensuring reliability alongside style. With a water resistance of 150 meters, this watch is perfect for adventure lovers who value functionality without sacrificing elegance.
Key Features
- Omega Caliber 8501 Automatic Movement
- Red Gold Case with Mother-of-Pearl Dial
- Gem-Set Indexes and Bezel
- Sapphire Glass and 150m Water Resistance
- 38.5mm Diameter and Adjustable Bracelet
- 60-Hour Power Reserve and Date Function
Specifications
- Brand
- Omega
- Family
- Aqua Terra
- Model
- Seamaster Aqua Terra 150M Master Co-Axial 38.5 Red Gold / MOP / Diamond
- Reference
- 231.55.39.21.55.001
- Movement
- 8501
- Movement Features
-
- Hours, Minutes, Seconds
- Date
- Chronometer, Co-Axial Escapement
- Case
- Red Gold 38.5mm
- Dial Color
- White
- Crystal
- Sapphire
- Water Resistance
- 150
Current Listings

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
![[WTS] Omega Aqua Terra 38.5mm 馃敟Lowest on Market馃嚭馃嚫 $1,799 馃暐 High Precision Quartz](https://preview.redd.it/0j1i0tchzbbf1.jpg?width=640&crop=smart&auto=webp&s=3d2780bdf9e528718fa007f2fed8c8b355ef8e9d)