Omega Aqua Terra Seamaster Aqua Terra 150M Master Co-Axial 38.5 Stainless Steel / Blue
Reference 231.13.39.21.03.001
About this watch
The Omega Seamaster Aqua Terra 150M Master Co-Axial 38.5 is a luxury watch that embodies both style and substance, blending functionality, elegance, and durability. With its stunning blue dial and sleek profile, this timepiece is ready for underwater adventures and everyday wear alike. At the heart of this watch lies the Omega Caliber 8500, a marvel of engineering featuring a Co-Axial escapement and 60-hour power reserve. The Aqua Terra's water-resistant rating of 150 meters and scratch-resistant sapphire crystal ensure it can withstand the elements, making it a versatile addition to your collection. As part of the Omega family, this watch is not just a timepiece, but a symbol of craftsmanship and style that stands the test of time.
Key Features
- Omega Caliber 8500 automatic movement
- 150-meter water-resistant rating
- Scratch-resistant sapphire crystal
- 38.5mm stainless steel case
- Blue dial with stick and dot indexes
- Arrow hands for sporty touch
- Co-Axial escapement for enhanced accuracy
Specifications
- Brand
- Omega
- Family
- Aqua Terra
- Model
- Seamaster Aqua Terra 150M Master Co-Axial 38.5 Stainless Steel / Blue
- Reference
- 231.13.39.21.03.001
- Movement
- 8500
- Movement Features
-
- Hours, Minutes, Seconds
- Date
- Chronometer, Co-Axial Escapement
- Case
- Stainless Steel 38.5mm
- Dial Color
- Blue
- Crystal
- Sapphire
- Water Resistance
- 150
Current Listings
![[WTS] Unworn and unfitted Omega Seamaster Aqua Terra 150M 41mm steel on steel - bought Aug 2025 [warranty start date]](https://preview.redd.it/q40rl03sakvf1.jpg?width=640&crop=smart&auto=webp&s=5161931ab338de3d5a3143da5f290328a526fa5a)
Unworn and unfitted Omega Seamaster Aqua Terra 150M 41mm steel on steel - bought Aug 2025 [warranty start date]
This Omega Seamaster Aqua Terra 150M is an automatic watch with a stainless steel case and sapphire crystal.
- Condition: mint condition, unworn
- Movement caliber: 8900
- Water resistance depth rating: 150m
![[WTS] Omega Seamaster Aqua Terra - 36mm - 2504.80](https://preview.redd.it/k3p5sp70civf1.jpg?width=640&crop=smart&auto=webp&s=c9b6e7e058463ac15e246b8325eb63641c54ac9e)
Omega Seamaster Aqua Terra - 36mm - 2504.80
The Omega Seamaster Aqua Terra features a stunning navy blue sunburst dial and is powered by Omega's innovative Co-Axial automatic movement.
- Condition: Excellent overall condition with minimal wear
- Case Size: 36.2mm diameter
- Crystal Type: Domed sapphire crystal with anti-reflective coating
![[WTS] Omega Seamaster Aqua Terra Co-Axial 39mm 231.10.39.21.02.001 White](https://preview.redd.it/q8nzduezjcvf1.jpg?width=640&crop=smart&auto=webp&s=ca62f49d56bd396b954cbe7f8c6f8b29030553ed)
Omega Seamaster Aqua Terra Co-Axial 39mm 231.10.39.21.02.001 White
This Omega Seamaster Aqua Terra Co-Axial features a 39mm case and is available with a 7" bracelet.
- Bracelet Size: 7 inches
![[WTS] Omega Seamaster Aqua Terra Co-Axial 42mm 231.10.42.21.06.001 Gray](https://preview.redd.it/buq1xu5rjcvf1.jpg?width=640&crop=smart&auto=webp&s=640eb60fd20d8087108bbf96eb82857302f1db23)
Omega Seamaster Aqua Terra Co-Axial 42mm 231.10.42.21.06.001 Gray
This Omega Seamaster Aqua Terra Co-Axial is a 42mm watch with a gray finish and has been recently serviced.
- Condition: Pre-owned, serviced
- Case Size: 42mm diameter
- Bracelet Length: 7.25 inches
![[WTS] Omega Seamaster Aqua Terra quartz $1.5k](https://preview.redd.it/x16efaklqavf1.jpg?width=640&crop=smart&auto=webp&s=af2e78deda6f521ca2bf7196bbfc2d154555aeb9)
Omega Seamaster Aqua Terra quartz $1.5k
This Omega Seamaster Aqua Terra quartz watch features a 6.5 inch bracelet that fits the seller's wrist.
- Condition: Good
- Bracelet size: 6.5 in.
- Box/papers: No
![[WTS] 2024 OMEGA Seamaster Aqua Terra Summer Blue Dial 41mm BOXES/PAPERS!](https://preview.redd.it/9mq3m60fy4vf1.jpg?width=640&crop=smart&auto=webp&s=fe3d57d2505a68aed960c02fea529ac613bb9067)
2024 OMEGA Seamaster Aqua Terra Summer Blue Dial 41mm BOXES/PAPERS!
The seller is listing a brand-new OMEGA Seamaster Aqua Terra Summer Blue Dial 41mm watch, complete with all the original packaging and accessories.
- Condition: Brand new with minor handling mark
- Case diameter: 41mm
- Water resistance depth rating: 150 Meters
- 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
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