Omega Aqua Terra Seamaster Aqua Terra 150M Co-Axial 34 Stainless Steel / Diamond / MOP
Reference 231.18.34.20.55.001
About this watch
The Omega Seamaster Aqua Terra 231.18.34.20.55.001 is a masterpiece of luxury watchmaking, blending elegance with precision in a stunning package. Crafted from stainless steel and adorned with diamond accents, this 34mm timepiece exudes sophistication and refinement. The Mother of Pearl dial shines with an iridescent quality, while the gem-set indexes add a luxurious touch. Powered by the Omega caliber 8521 movement, this watch boasts accurate timekeeping and a remarkable power reserve of 50 hours. With its robust stainless steel case and scratch-resistant sapphire crystal, it's built to withstand the elements. Whether you're swimming, snorkeling, or just enjoying everyday wear, this Aqua Terra is the perfect companion. Its versatile design effortlessly transitions from casual to formal occasions, making it a staple in any wardrobe.
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Key Features
- Omega caliber 8521 movement
- Mother of Pearl dial with gem-set indexes
- Water resistance up to 150 meters
- Automatic winding and Co-Axial escapement for accurate timekeeping
- Scratch-resistant sapphire crystal
- Robust stainless steel case
- 50-hour power reserve
Specifications
- Brand
- Omega
- Family
- Aqua Terra
- Model
- Seamaster Aqua Terra 150M Co-Axial 34 Stainless Steel / Diamond / MOP
- Reference
- 231.18.34.20.55.001
- Movement
- 8521
- Movement Features
-
- Hours, Minutes, Seconds
- Date
- Chronometer, Co-Axial Escapement
- Case
- Stainless Steel 34mm
- Dial Color
- White
- Crystal
- Sapphire
- Water Resistance
- 150
Current Listings
![[WTS] Omega Aqua Terra 8800 38mm Green Diver 220.12.38.20.10.001 ( new / 2026 / box and papers )](https://preview.redd.it/ss3q50t7ub1h1.jpg?width=640&crop=smart&auto=webp&s=a62b114060259be3734f9717a835d29548bee500)
Omega Aqua Terra 8800 38mm Green Diver 220.12.38.20.10.001 ( new / 2026 / box and papers )
This Omega Aqua Terra 8800 features a 38mm stainless steel case, green dial, and co-axial movement.
- Condition: Brand new
- Case size: 38mm diameter
- Movement type: Master Co-Axial
![[WTS] Omega Seamaster Black Dial Aqua Terra 2503.50 39mm Box and Papers - $2,650](https://preview.redd.it/08qhod7pg71h1.jpg?width=640&crop=smart&auto=webp&s=9dc2c71e61c0d3319a53d8e1a11fcf7f744c2e1a)
Omega Seamaster Black Dial Aqua Terra 2503.50 39mm Box and Papers - $2,650
Up for sale is my great condition Omega Seamaster Aqua Terra 39mm watch with an automatic movement and steel case.
- Condition: Very good condition for its age
- Case size: 39mm diameter
- Movement: automatic Omega Calibre 2500
![[WTS] Omega Seamaster Aqua Terra 150M – 'Blue Wave’ – Gold Accents – Complete Set](https://preview.redd.it/x8mfut61p51h1.jpeg?auto=webp&s=5b55b96d7519d6ab92ea7fff06f8b1b3dc65cc6c)
Omega Seamaster Aqua Terra 150M – 'Blue Wave’ – Gold Accents – Complete Set
A striking Aqua Terra released for a very short period in limited production, featuring a blue dial with a wave pattern and 18K yellow gold accents.
- Condition: Excellent all-around condition
- Case Size: 41.5mm diameter
- Water Resistance: 150M / 15 bar
- Power Reserve: 60 hours
![[WTS] Omega Seamaster Aqua Terra 150M Black Dial (220.10.38.20.01.001) – Excellent Condition](https://preview.redd.it/k0n47u36o51h1.jpg?width=640&crop=smart&auto=webp&s=88d0e036b5e9f7bd783d3dd4e3182a5266a94ed7)
Omega Seamaster Aqua Terra 150M Black Dial (220.10.38.20.01.001) – Excellent Condition
The Omega Seamaster Aqua Terra is a versatile, super clean piece that works well dressed up or daily.
- Condition: Excellent (minor wear)
- Case size: 38mm
- Movement: Co-Axial Master Chronometer (Caliber 8800)
- Power reserve: ~55 hours
![[WTS] Omega Aqua Terra 38.5mm 231.1039 $2750 - Box & papers](https://preview.redd.it/zz2nry2li51h1.jpg?width=640&crop=smart&auto=webp&s=8b9dabf93e83215af07291f77d5426ea99560a2d)
Omega Aqua Terra 38.5mm 231.1039 $2750 - Box & papers
The Omega Aqua Terra reference 231.1039 is a 38.5mm watch available for sale.
- Length of stay with owner: 2 months
![[WTS] Omega Aqua Terra GMT Worldtimer - 220.92.43.22.99.001 - Grey - Titanium - 43mm - 2025 AD Unit Mint Condition](https://preview.redd.it/54uts5dp251h1.jpg?width=640&crop=smart&auto=webp&s=73f49543b72bbc8d2da0f729c8960880c0a51243)
Omega Aqua Terra GMT Worldtimer - 220.92.43.22.99.001 - Grey - Titanium - 43mm - 2025 AD Unit Mint Condition
This Omega Aqua Terra GMT Worldtimer is a highly sought-after timepiece that stands out for its gunmetal titanium color and applied city displays.
- Condition: Mint condition
- Case material: Titanium
- Case size: 43mm
- Band type: Not specified
![[WTS] Omega Aqua Terra Chrono - Ref: 2512.30.00 - FULL KIT](https://preview.redd.it/6dzxfbgbx41h1.jpg?width=640&crop=smart&auto=webp&s=aac234b4af9b43888973671ee380b5bca70f81fa)
Omega Aqua Terra Chrono - Ref: 2512.30.00 - FULL KIT
This Omega Seamaster Aqua Terra Chronograph features a white dial with flame blue indices, housed in a 42mm case with a column-wheel chronograph movement.
- Condition: Very good, minor marks on bezel, case and bracelet
- Movement: Omega 3301 (column-wheel chronograph movement based on the Piguet 1285 movement)
- Case Size: 42mm
- Bracelet Size: 7.5
![[WTS] Omega Seamaster Aqua Terra 2503.80.00 “First Gen” 39mm — Blue Sunburst Dial — Cal. 2500 Co-Axial — Fresh Service — $2,699 Shipped](https://preview.redd.it/9pun2m5gi41h1.jpg?width=640&crop=smart&auto=webp&s=c93198164b34735f39a46cd4edf5e38651b2da47)
Omega Seamaster Aqua Terra 2503.80.00 “First Gen” 39mm — Blue Sunburst Dial — Cal. 2500 Co-Axial — Fresh Service — $2,699 Shipped
A first-generation Omega Seamaster Aqua Terra with a beautiful blue sunburst dial and the reliable Cal. 2500 Co-Axial Chronometer movement.
![[WTS] Omega Seamaster Aqua Terra Ref 220.10.41.21.02.001 - 41mm FULL SET! -$4500 OBO](https://preview.redd.it/0s8qbfl1d41h1.jpeg?auto=webp&s=e62de1570b693fa952569792c8819047732c6c6f)
Omega Seamaster Aqua Terra Ref 220.10.41.21.02.001 - 41mm FULL SET! -$4500 OBO
A Omega Seamaster Aqua Terra, case size is 41mm, available with box and papers.
- Condition: Pre-owned
- Case Size: 41mm
- Box Card Papers: Yes (both included)
- Model: Seamaster Aqua Terra