Omega Aqua Terra Seamaster Aqua Terra 150M Co-Axial 38.5 Stainless Steel / Red Gold / MOP / Bracelet
Reference 231.20.39.21.55.001
About this watch
The Omega Seamaster Aqua Terra 231.20.39.21.55.001 is a masterpiece of luxury watchmaking that combines elegance and robust functionality. Its Mother of Pearl dial changes hues with different lighting, adding an element of depth and intrigue. The combination of red gold and stainless steel gives it a luxurious feel, making it a statement piece for any outfit. At the heart of this magnificent watch lies the Omega caliber 8500, introduced in 2007, which has earned accolades for its reliability and precision. With a frequency of 25,200 vibrations per hour and a power reserve of up to 60 hours, it ensures your timepiece keeps ticking even after a weekend away from your wrist. The watch features a sapphire crystal resistant to scratches and impacts, ensuring that your watch remains pristine even after years of wear. Measuring 38.50 mm in diameter, this Omega watch fits comfortably on the wrist, striking a balance between being bold and understated.
Key Features
- Omega caliber 8500 movement
- Mother of Pearl dial with changing hues
- Sapphire crystal for scratch resistance
- Water resistance of 150 meters
- Red gold and stainless steel combination
- Chronometer certified
- Power reserve of up to 60 hours
Specifications
- Brand
- Omega
- Family
- Aqua Terra
- Model
- Seamaster Aqua Terra 150M Co-Axial 38.5 Stainless Steel / Red Gold / MOP / Bracelet
- Reference
- 231.20.39.21.55.001
- Movement
- 8500
- Movement Features
-
- Hours, Minutes, Seconds
- Date
- Chronometer, Co-Axial Escapement
- Case
- 38.5mm
- Dial Color
- White
- Crystal
- Sapphire
- Water Resistance
- 150
Current Listings
![[WTS] Omega Aqua Terra (231.10.42.21.03.006)](https://preview.redd.it/e137egk2g0ze1.jpg?width=640&crop=smart&auto=webp&s=161ce022b9ccffcabb29b574a94a171d95da4881)
Omega Aqua Terra (231.10.42.21.03.006)
The Omega Aqua Terra features a blue wavy dial and gold hands and indices, with an integrated rubber strap and original bracelet.
- Condition: Excellent
- Bracelet included: original
- Strap included: rubber integrated strap
Omega Seamaster Aqua Terra 220.10.41.21.06.001 w/ Box & Papers
This Omega Seamaster Aqua Terra features a 41mm case, coaxial movement, 100m water resistance, and sapphire crystal. It has a distinctive dial pattern and blue markers.
- Condition: preowned with normal scratches and wear
- Case size: 41mm
- Water resistance: 100m
- Movement type: coaxial
![[WTS] Omega Seamaster Aqua Terra Shades 220.10.38.20.12.001 38mm Saffron Dial – Complete Set](https://preview.redd.it/3ymjbyv6isye1.jpg?width=640&crop=smart&auto=webp&s=52072aed22db5c1e0b098ab4691a13502d06f439)
Omega Seamaster Aqua Terra Shades 220.10.38.20.12.001 38mm Saffron Dial – Complete Set
This Omega Seamaster Aqua Terra Shades features a rare Saffron dial that plays beautifully with light, making it perfect for summer wear.
- Condition: Good overall, with a few marks on the case and bracelet
- Case diameter: 38mm
- Water resistance: 150m
- Movement accuracy: Omega Master Chronometer specs
![[WTS] Omega Aqua Terra 38mm Sandstone. Excellent Condition. Full Set. Get it before price increase.](https://preview.redd.it/z0am28lnfpye1.jpg?width=640&crop=smart&auto=webp&s=1c3ecdb8a4ab21b95f60e21af5c6069ec34d08fd)
Omega Aqua Terra 38mm Sandstone. Excellent Condition. Full Set. Get it before price increase.
This Omega Seamaster features a sandstone dial with date window and rhodium-plated hands, powered by the Co-Axial Master Chronometer calibre 8800.
- Condition: Excellent
- Diameter: 38mm
![[WTS] Omega Aqua Terra Shades Bay Green 38mm. 22010382010002 $4825](https://preview.redd.it/8uevwz2vblye1.jpeg?auto=webp&s=0cbda842aafe54c3e0d151e463c8e5f4e984bfc1)
Omega Aqua Terra Shades Bay Green 38mm. 22010382010002 $4825
Up for sale is an Omega Aqua Terra Shades in the 38mm bay green colorway, featuring a full kit including inner and outer box, all three omega cars with warranty dated January of 2024, extra links to the bracelet sized at 6.75 inches, and original purchase receipt.
- Condition: Very clean, great condition
- Size: 38mm diameter
- Case condition: Minor hairlines in normal wear spots
![[WTS] Omega Seamaster Aqua Terra 2504.30.00 - Silver Dial – 36mm Co-Axial Chronometer – $2,250 USD](https://preview.redd.it/gk1iojdrneye1.jpg?width=640&crop=smart&auto=webp&s=64d4c305afb67dcecf99190053c16405ae34bd92)
Omega Seamaster Aqua Terra 2504.30.00 - Silver Dial – 36mm Co-Axial Chronometer – $2,250 USD
A classic and elegant Omega Seamaster Aqua Terra with a silver dial, Co-Axial Caliber 2500 movement, and a 36mm case size.
- Condition: like new
- Movement: Omega Caliber 2500 (Co-Axial automatic chronometer)
- Accuracy: -1 to -2 sec/day face up
- Case size: 36.2mm diameter
![[WTS] Omega Seamaster Aqua Terra World TImer 220.12.43.22.03.001 2021 $6550](https://preview.redd.it/4ylyih7uxbye1.jpg?width=640&crop=smart&auto=webp&s=ab584cd053755c494b07780e559e054e634f164d)
Omega Seamaster Aqua Terra World TImer 220.12.43.22.03.001 2021 $6550
This is a Omega Seamaster Aqua Terra World Timer, dated 2021, with a full set including box and warranty card.
- Condition: Very lightly used with some light scratches on the bezel and case.
- Year Of Manufacture: 2021
- Set Included: Full set with box and warranty card
- Shipping Location: Singapore
![[WTS] Omega Seamaster Aqua Terra 2503.33 | Blue Indices $2,650](https://preview.redd.it/14fd7udh59ye1.jpg?width=640&crop=smart&auto=webp&s=f62d06c2bd7664564d4d80fac805e15454c20877)
Omega Seamaster Aqua Terra 2503.33 | Blue Indices $2,650
The Omega Seamaster Aqua Terra features a white dial paired with blue indices and is powered by the reliable 2500-series co-axial chronometer movement.
- Condition: Preowned - Good
- Diameter: 39mm
- Movement: Co-axial chronometer movement (2500-series)
- Year: ~2006

Omega Aqua Terra 8900 - 41mm - Blue Dial - 220.10.41.21.03.004 (unworn / 2025)
This Omega Aqua Terra 8900 is a 41mm stainless steel watch with a blue dial, featuring a master chronometer movement. It comes complete with all original boxes and papers.
- Condition: Unworn
- Case material: Stainless Steel
- Movement type: Master Chronometer