Omega Aqua Terra Seamaster Aqua Terra 150M Master Co-Axial 34 Sedna Gold / Diamond / MOP / Bracelet
Reference 231.55.34.20.55.003
About this watch
The Omega Seamaster Aqua Terra 150M Master Co-Axial 34 Sedna Gold is a masterpiece of watchmaking, boasting exquisite craftsmanship and innovative technology. This stunning timepiece features a unique Sedna Gold alloy, Mother of Pearl dial, and gem-set indexes and bezel, exuding luxury and warmth. The round shape and elegant bracelet ensure a comfortable fit for any wrist size, making it perfect for both casual and formal settings. With a water resistance of 150 meters, this watch is built for adventure, handling splashes, swimming, and snorkeling with ease. At its core lies the Omega Caliber 8521 movement, featuring a Co-Axial Escapement that improves precision, stability, and durability. The free-sprung balance system with a silicon balance-spring enhances accuracy, making it a chronometer you can trust. With automatic winding in both directions and a power reserve of 50 hours, this watch is always ready to go. Its luxurious feel matches the stunning exterior, giving you a glimpse into its intricate workings through the open case back.
Key Features
- Sedna Gold alloy
- Mother of Pearl dial
- Gem-set indexes and bezel
- Co-Axial Escapement movement
- Automatic winding in both directions
- 50-hour power reserve
- 150-meter water resistance
Specifications
- Brand
- Omega
- Family
- Aqua Terra
- Model
- Seamaster Aqua Terra 150M Master Co-Axial 34 Sedna Gold / Diamond / MOP / Bracelet
- Reference
- 231.55.34.20.55.003
- Movement
- 8521
- Movement Features
-
- Hours, Minutes, Seconds
- Date
- Chronometer, Co-Axial Escapement
- Case
- Sedna Gold 34mm
- Dial Color
- White
- Crystal
- Sapphire
- Water Resistance
- 150
Current Listings
![[WTS] Omega Seamaster Aqua Terra 231.10.39.21.01.001 Black Teak 38.5mm - $3,290](https://preview.redd.it/6rp0vnuwcvtg1.jpg?width=640&crop=smart&auto=webp&s=a38ce5cd4f1ec4be0aa885e59c465b28bff6901f)
Omega Seamaster Aqua Terra 231.10.39.21.01.001 Black Teak 38.5mm - $3,290
Up for sale is my great condition Omega Seamaster Aqua Terra 231.10.39.21.01.001 with a steel case on original Omega steel bracelet.
- Condition: very good for its age, minimal marks/hairlines on case, caseback, and bracelet
- Movement: Omega Calibre 8500
- Case size: 38.5mm diameter
- Bracelet type: original Omega steel bracelet
![[WTS] 2025 Omega Aqua Terra 150M 41mm 220.10.41.21.03.006](https://preview.redd.it/rstvp3tg8vtg1.jpeg?auto=webp&s=5f0fe195513a8f39f755a8a01d10bc61415abb65)
2025 Omega Aqua Terra 150M 41mm 220.10.41.21.03.006
- Year: 2025
- Depth rating: 150m
- Case size: 41mm
![[WTS] Omega Seamaster Aqua Terra 150M 220.10.41.21.03.001 – Blue Teak Dial – VG – Box & Papers](https://preview.redd.it/eg3ix3yh9ttg1.jpg?width=640&crop=smart&auto=webp&s=668c0d3f4b9a2ba0a2da2e85b9715bd7615463ef)
Omega Seamaster Aqua Terra 150M 220.10.41.21.03.001 – Blue Teak Dial – VG – Box & Papers
- Condition: Very Good
- Water Resistance: 150m
- Power Reserve: ~60 hours
- Case Size: 41mm diameter
![[WTS] Omega Seamaster Aqua Terra 231.10.42.21.02.001 - Price Reduced!](https://preview.redd.it/oybcydhvantg1.jpg?width=640&crop=smart&auto=webp&s=54fa1c5b407bd795f83832233add3c7bf98c28e3)
Omega Seamaster Aqua Terra 231.10.42.21.02.001 - Price Reduced!
This is a Watch-only example of the Omega Seamaster Aqua Terra in White Dial, model number 231.10.42.21.02.001, featuring a 41.5mm size and excellent condition.
- Condition: Very clean pre-owned condition with light wear throughout.
- Size: 41.5mm
![[WTS] Black Dial Omega Seamaster Aqua Terra Box & Papers 38mm 220.10.38.20.01.001](https://preview.redd.it/w42urae4phtg1.jpg?width=640&crop=smart&auto=webp&s=d409baba7db5b86aa36e4d58c036d18e527a5ce9)
![[WTS] Omega Seamaster Aqua Terra 2503.33 - $2,650](https://preview.redd.it/fxbf5bq9ghtg1.jpg?width=640&crop=smart&auto=webp&s=f05cf7ac0e2ce69050f714a1b1f13f58af7fb515)
Omega Seamaster Aqua Terra 2503.33 - $2,650
This Omega Seamaster Aqua Terra 2503.33 is a 39mm watch featuring an automatic movement and a steel case on an original Omega Steel bracelet.
- Condition: Good condition with a conservative rating of 8.9/10
- Movement: Omega 2500 automatic movement
- Case size: 39mm diameter
- Bracelet type: Original Omega Steel bracelet
![[WTS] Omega Seamaster Aqua Terra 231.10.39 38.5mm Skyfall - $3,350](https://preview.redd.it/2z0ewn4ffhtg1.jpg?width=640&crop=smart&auto=webp&s=2490e5ddc5f63aa482b96dda5e2f4aa421ec44f2)
Omega Seamaster Aqua Terra 231.10.39 38.5mm Skyfall - $3,350
Up for sale is a Omega Seamaster Aqua Terra 231.10.39.21.03.001 with an automatic movement and measuring at 38.5mm. It has a steel case on original Omega steel bracelet.
- Condition: Very good condition for it's age (8.9/10)
- Case size: 38.5mm diameter
- Bracelet material: Steel
- Movement: Automatic Omega Calibre 8500
![[WTS] Omega Aqua Terra 231.10.39 Cal 8500 39mm - $2,690](https://preview.redd.it/ee9grw1wdhtg1.jpg?width=640&crop=smart&auto=webp&s=cc6e222c83fea2387e7be10d96dd87e61efac636)
Omega Aqua Terra 231.10.39 Cal 8500 39mm - $2,690
Up for sale is my Omega Aqua Terra 231.10.39 Cal 8500, a watch with a 39mm steel case on original Omega steel bracelet and an OMEGA 8500 movement.
- Condition: Great condition, minor marks on the case and crystal
- Case size: 39mm diameter
- Movement: Calibre OMEGA 8500
- Bracelet material: Steel
![[WTS] Omega Seamaster Aqua Terra 2504.50 - $2,490](https://preview.redd.it/bylt3qd7chtg1.jpg?width=640&crop=smart&auto=webp&s=b56f42f14b2a305d7e604c3cfd4206f80e249fb4)
Omega Seamaster Aqua Terra 2504.50 - $2,490
Up for sale is my Omega Seamaster Aqua Terra 2504.50.00, a 36mm automatic watch with a steel case and original Omega Steel bracelet.
- Condition: Very good condition
- Case Size: 36mm diameter
- Movement Type: automatic