Omega Aqua Terra Seamaster Aqua Terra 150M Master Co-Axial 38.5 Stainless Steel / Red Gold / MOP / Bracelet
Reference 231.20.39.21.55.003
About this watch
The Omega Seamaster Aqua Terra 150M Master Co-Axial 38.5 is a masterpiece of luxury watchmaking, seamlessly blending elegance with functionality. Its unique mother-of-pearl dial and gem-set indexes create a truly one-of-a-kind look, while its stainless steel case and red gold accents exude luxurious sophistication. With a water resistance of 150 meters, this watch is perfect for those who love to stay active while still looking stylish. At the heart of the Aqua Terra lies the Omega caliber 8500, an in-house automatic movement that has been a game-changer in the watch industry since its introduction in 2007. This remarkable movement boasts a total power reserve of 60 hours and features a Co-Axial escapement that significantly reduces friction between the movement's components, enhancing its longevity and accuracy. Whether you're attending a formal gala or diving into the ocean, this watch is designed to impress with its stunning aesthetics, reliable movement, and robust features.
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Key Features
- Unique MOP dial and gem-set indexes
- Water-resistant up to 150 meters
- In-house Omega caliber 8500 movement
- 60-hour power reserve
- Co-Axial escapement for enhanced accuracy and longevity
- Stainless steel case with red gold accents
- 38.5mm diameter suitable for both men and women
Specifications
- Brand
- Omega
- Family
- Aqua Terra
- Model
- Seamaster Aqua Terra 150M Master Co-Axial 38.5 Stainless Steel / Red Gold / MOP / Bracelet
- Reference
- 231.20.39.21.55.003
- 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 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
![[WTS] Omega Seamaster Aqua Terra 220.10.41.21.06.001 $3250](https://external-preview.redd.it/fCRQzSc1bIYid1m91ksBJPwvQGrbRo46KKsaEns25jI.jpeg?auto=webp&s=1215450a2158c0d364f74e470b1ee64e00477c9c)
Omega Seamaster Aqua Terra 220.10.41.21.06.001 $3250
This Omega Seamaster Aqua Terra is a 41mm stainless steel watch featuring an Omega Calibre 8900 movement, 60 hour power reserve, and 150m water resistance. It's available for purchase in a unique colorway.
- Condition: Very good with light wear on the case and bracelet
- Case size: 41mm diameter
- Thickness: 13.2mm
- Water resistance: 150m
![[WTS] Omega Seamaster Aqua Terra James Bond 'Spectre' Limited Edition](https://external-preview.redd.it/bGFmc3hrNTl5NnllMR7sRx5bYf-Va5cxGqsH9ReXPMjT9iqGCtbeO8f3mIRC.png?format=pjpg&auto=webp&s=edcf99c483d41fbbeb16c70648c2310b790cffaf)
Omega Seamaster Aqua Terra James Bond 'Spectre' Limited Edition
This Omega Seamaster Aqua Terra James Bond 'Spectre' Limited Edition watch is a unique and dynamic timepiece inspired by the Bond coat of arms, featuring a yellow seconds hand and distinctive dial pattern. It comes with an automatic movement and various premium features.
- Condition: Unworn
- Case size: 41.5mm diameter
- Movement type: Automatic
- Water resistance: 150m