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] 2025 Omega Seamaster Aqua Terra 150m Turquoise Lacquer Dial 220.10.41.21.03.006](https://preview.redd.it/jxyysxodevkf1.jpeg?auto=webp&s=0a0d8c6ca7646794599921affc1ef8efed22ea40)
2025 Omega Seamaster Aqua Terra 150m Turquoise Lacquer Dial 220.10.41.21.03.006
A 2025 Omega Seamaster Aqua Terra with a 41mm turquoise lacquer dial, automatic Master Chronometer movement, and stainless steel case.
- Condition: Great condition overall, some light wear on stainless steel case
- Size: 41mm diameter
- Depth rating: 150m water resistance
- Movement type: Automatic Master Chronometer
![[WTS] Cyma Classic WavyBlue Dial Watch Similar to Omega Aqua Terra in just 145$](https://preview.redd.it/tfa8q8i5srkf1.jpg?width=640&crop=smart&auto=webp&s=cfac3cf67351d23e7f89b7badc1fae434a51abdc)
Cyma Classic WavyBlue Dial Watch Similar to Omega Aqua Terra in just 145$
A sleek Cyma Classic watch with a stunning blue dial and quartz movement.

Omega Aqua Terra 8800 - 38mm - Lacquer Black - 220.10.38.20.01.004 ( new )
Up for sale is a brand new Omega Aqua Terra 8800 38mm with Lacquer Black Dial, reference # 220.10.38.20.01.004.
- Condition: Brand new
- Case size: 38mm
- Movement type: Master Chronometer Movement
Omega Seamaster Aqua Terra Green 41mm
The Omega Seamaster Aqua Terra Green is a versatile watch suitable for daily wear, featuring a Master Chronometer certified calibre 8900 with 60 hours of power reserve and antimagnetic properties. It has an excellent bracelet and proportions.
- Condition: Near-mint, 94-95%
- Case size: 41mm x 47.9mm lug to lug
- Thickness: 13.2mm
- Power reserve: 60 hours

Omega Seamaster Aqua Terra Co-Axial White Blue Stainless Steel MINT 2503.33.00
The Omega Seamaster Aqua Terra Co-Axial is a sport-ready watch with dress-worthy charm, featuring a white dial with blue accents and a stainless steel case with brushed and polished finishes.
- Condition: Mint
- Movement: Co-Axial
- Case size: Not specified
- Water resistance: Not specified

Omega Aqua Terra - Small Seconds - Slate - 220.12.41.21.03.005 ( excellent )
This Omega Aqua Terra 150M Small Seconds features a Slate Blue dial and is housed in a 41mm stainless steel case.
- Condition: Excellent
- Case material: Stainless Steel
- Water resistance: 150m

Omega Aqua Terra 38 Shades Red Terracotta Box Papers Warranty
The Omega Seamaster Aqua Terra 38 Shades Collection Watch features a 38mm stainless steel case with a terracotta dial and polished bezel on a stainless steel bracelet.
- Condition: 96% Near Mint Condition
- Case size: 38mm diameter
- Water resistance: 150 meters/500 feet

Omega Aqua Terra 8900 - 41mm - Lacquer Black - 220.10.41.21.01.002 ( new )
This Omega Aqua Terra 8900 is a 41mm stainless steel watch with a Lacquer Black dial, featuring a Master Chronometer movement and comes complete with all original accessories.
- Condition: Brand new
- Case size: 41mm diameter
- Movement: Master Chronometer
Omega Seamaster Aqua Terra "Golf Edition" - 220.12.41.21.02.003 - Silver - MINT
This Omega Seamaster Aqua Terra 'Golf Edition' is a 41mm automatic watch with a silver dial and stainless steel case, featuring a rubber strap and deployant buckle.
- Condition: Pre-Owned - Mint
- Case Size: 41mm diameter
- Bracelet Type: Rubber Strap
- Bracelet Material: Stainless Steel