Omega Aqua Terra Seamaster Aqua Terra 150M Co-Axial 30 Stainless Steel / Diamond / MOP
Reference 231.18.30.20.55.001
About this watch
The Omega Seamaster Aqua Terra 150M Co-Axial 30 is a masterpiece of luxury watchmaking, featuring a stunning mother of pearl dial and diamond accents that exude elegance and sophistication. Powered by the reliable Omega caliber 8520, this self-winding automatic movement boasts a power reserve of up to 50 hours, ensuring accuracy and precision. The watch's versatility makes it perfect for both formal events and casual wear, while its water resistance of up to 150 meters makes it an ideal companion for adventure seekers and urban dwellers alike. With its sapphire crystal and stainless steel case, this timepiece is built to last, combining exceptional craftsmanship, cutting-edge technology, and timeless design.
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Key Features
- Stainless Steel Case
- Sapphire Crystal
- Mother of Pearl Dial
- Gem-Set Indexes
- Omega Caliber 8520 Movement
- Co-Axial Escapement
- 150m Water Resistance
Specifications
- Brand
- Omega
- Family
- Aqua Terra
- Model
- Seamaster Aqua Terra 150M Co-Axial 30 Stainless Steel / Diamond / MOP
- Reference
- 231.18.30.20.55.001
- Movement
- 8520
- Movement Features
-
- Hours, Minutes, Seconds
- Date
- Chronometer, Co-Axial Escapement
- Case
- Stainless Steel 30mm
- Dial Color
- White
- Crystal
- Sapphire
- Water Resistance
- 150
Current Listings
![[WTS] Omega Aqua Terra 8900 41mm Green Dial 220.10.41.21.10.001 ( new / 2026 / box and papers )](https://preview.redd.it/w7t79pqaa6yg1.jpg?width=640&crop=smart&auto=webp&s=793a86fee41327b8ef209c1b19c4e0e0f2d1f2f0)
Omega Aqua Terra 8900 41mm Green Dial 220.10.41.21.10.001 ( new / 2026 / box and papers )
Aqua Terra 8900 Green Dial, featuring a 41mm stainless steel case and master co-axial movement.
- Condition: Brand new
- Case size: 41mm diameter
- Movement: Master Co-Axial
![[WTS] Omega Aqua Terra 8800 38mm Green Diver 220.12.38.20.10.001 ( new / 2026 / box and papers )](https://preview.redd.it/i5pa73d796yg1.jpg?width=640&crop=smart&auto=webp&s=efb1b3b3ff7710ec2169aea2951d0ccc8720a87d)
Omega Aqua Terra 8800 38mm Green Diver 220.12.38.20.10.001 ( new / 2026 / box and papers )
This Omega Aqua Terra 8800 is a brand new stainless steel watch with a green dial, featuring a Master Co-Axial movement and measuring 38mm in diameter.
- Condition: Brand new
- Case material: Stainless Steel
- Movement type: Master Co-Axial
![[WTS] Omega Seamaster Aqua Terra 41.5mm - 231.10.42.21.02.001 - White Teak Automatic](https://preview.redd.it/0hy2pf0cp5yg1.jpg?width=640&crop=smart&auto=webp&s=2f78c05313361f7b0dacb208e1c5cc1d551c6db3)
Omega Seamaster Aqua Terra 41.5mm - 231.10.42.21.02.001 - White Teak Automatic
This is a watch-only example of the Omega Seamaster Aqua Terra in White Teak Automatic, featuring a 41.5mm size and model number 231.10.42.21.02.001.
- Condition: Very clean pre-owned condition with light wear
- Diameter: 41.5mm
![[WTS] 2020 Omega Aqua Terra Captain’s Watch White/silver 6/20 Ref# 231.10.42.21.02.002 $3,249.00](https://preview.redd.it/zt5o4a7xy4yg1.jpg?width=640&crop=smart&auto=webp&s=f362f1ad0b125af55673cbc8a4cf357d1dcb0d1e)
2020 Omega Aqua Terra Captain’s Watch White/silver 6/20 Ref# 231.10.42.21.02.002 $3,249.00
This 2020 Omega Aqua Terra Captain’s Watch features a beautiful silvery white dial with Teak pattern, automatic self-winding movement, and a 41.5mm case size.
- Condition: Fantastic condition, with a few minor flaws
- Diameter: 41.5mm
- Water resistance: 150m
- Power reserve: 60 hours
![[WTS] Omega Seamaster Aqua Terra Skyfall 231.10.39 38.5mm - $3,350 - Reserved post for u/Pliskin01](https://preview.redd.it/12ouov4l63yg1.jpg?width=640&crop=smart&auto=webp&s=4b928a7184d0333fe05061db9e527d815ed1fc23)
Omega Seamaster Aqua Terra Skyfall 231.10.39 38.5mm - $3,350 - Reserved post for u/Pliskin01
Up for sale is my Omega Seamaster Aqua Terra 'Skyfall' with a Calibre OMEGA 8500 automatic movement and a 38.5mm diameter case.
- Condition: Great condition, minor marks/hairlines on the case
- Case size: 39mm diameter
- Movement: Calibre OMEGA 8500 automatic
- Bracelet: Original steel Omega steel bracelet
![[WTS] Omega Aqua Terra 231.10.39 Cal 8500 38.5 mm Master Co-Axial - $2,950](https://preview.redd.it/3nsxsxr841yg1.jpg?width=640&crop=smart&auto=webp&s=820403327bb9696a88c64ccf3f8679b6d132c543)
Omega Aqua Terra 231.10.39 Cal 8500 38.5 mm Master Co-Axial - $2,950
Up for sale is my Omega Aqua Terra 231.10.39 Cal 8500 in great condition. This watch measures at 39mm and has an original Omega steel bracelet.
- Condition: Great condition, minor marks on the case and caseback
- Bracelet type: Original Omega steel bracelet, replaced with OEM all brushed version
- Case size: 39mm diameter
- Movement: Calibre OMEGA 8500
![[WTS] Omega Seamaster Aqua Terra 39mm. Box & paper](https://preview.redd.it/fc09uk5ewzxg1.jpg?width=640&crop=smart&auto=webp&s=ffc18b4e6b50fac3beaa46eb5b83bb1df3165e6b)
Omega Seamaster Aqua Terra 39mm. Box & paper
A super clean Omega Seamaster Aqua Terra 150M in the highly desirable 39.2mm case size, featuring a stunning sunray silver dial and chronometer-certified Calibre 2500 Co-Axial movement.
- Condition: Excellent
- Case Diameter: 39.2mm
- Water Resistance: 150m (500ft)
- Power Reserve: 48 hours
![[WTS] 2021 Omega Aqua Terra Ref# 220.12.41.21.02.001](https://preview.redd.it/4kl2qkmeszxg1.jpg?width=640&crop=smart&auto=webp&s=bddd5ed5b38051defe5fc857d917119d7c475619)
2021 Omega Aqua Terra Ref# 220.12.41.21.02.001
The Omega Aqua Terra is a versatile watch with a 41mm case, silver dial with teak pattern, and orange accents. It's powered by an in-house Co-Axial Master Chronometer movement delivering exceptional accuracy and anti-magnetic resistance.
- Condition: Good, professionally polished April 2026
- Year: 2021
- Size: 41mm diameter
- Power reserve: 60 hours
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