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 2023 41mm Grey 220.10.41.21.06.001 Full Set - $5,495](https://preview.redd.it/wsxvq0bkrhjg1.jpg?width=640&crop=smart&auto=webp&s=254026f70c3311ff3c22599215262ccfe876ff63)
Omega Seamaster Aqua Terra 2023 41mm Grey 220.10.41.21.06.001 Full Set - $5,495
This Omega Seamaster Aqua Terra Grey is a 2023 model, featuring a 41mm case.
- Condition: Excellent condition with minimal signs of wear
- Case Size: 41mm diameter
![[WTS] Omega Seamaster Aqua Terra 36mm 2504.80 Full Set](https://preview.redd.it/091nu2c9khjg1.jpg?width=640&crop=smart&auto=webp&s=9d4d444773e5cff09558f84b99d904d8fa837221)
Omega Seamaster Aqua Terra 36mm 2504.80 Full Set
Omega Seamaster Aqua Terra 36mm watch in great condition, with a deployant rubber strap from Helvetus.
- Condition: Great condition with minor wear
- Bracelet condition: minor wear
![[WTS] Omega Aqua Terra 220.10.41.21.10.001 — 09/2025 Full Set — $4795 Shipped obo](https://preview.redd.it/856n3tfn9ejg1.jpg?width=640&crop=smart&auto=webp&s=351eb0a96b31e9a16f0a812ba267822849c1e585)
Omega Aqua Terra 220.10.41.21.10.001 — 09/2025 Full Set — $4795 Shipped obo
Up for sale is my Omega Aqua Terra 41mm in excellent condition, featuring a stunning green teak dial and Master Chronometer Co-Axial movement.
- Condition: Excellent
- Size: 41mm diameter
- Year: 2025
- Water resistance: 150m
![[WTS] Omega Seamaster Aqua Terra 150m 38.5mm](https://external-preview.redd.it/JhF807IsQohukz8ANeL-CWS4Ft7SczD18hTZdWWFQvg.jpeg?auto=webp&s=8a1b0027ec4eb6c9067a1dd644c6e6e9425315d0)
Omega Seamaster Aqua Terra 150m 38.5mm
This Omega Seamaster Aqua Terra is a steel on steel model, featuring a 38.5mm case and 150m water resistance.
- Condition: Very good condition
- Water Resistance: 150m depth rating
- Case Size: 38.5mm diameter
- Bracelet Links: includes all removable links plus an extra half-link
![[WTS] Omega Aqua Terra 2015 38.5mm 231.10.39.21.02.001 B&P](https://preview.redd.it/1b5kx6g3ybjg1.jpg?width=640&crop=smart&auto=webp&s=f4ea5d4c34dbdbfbbaac9dc10b12ed499de4c3a3)
Omega Aqua Terra 2015 38.5mm 231.10.39.21.02.001 B&P
Aqua Terra 2015 model, 38.5mm diameter, suitable for everyday wear with versatile style.
- Condition: Excellent condition
- Size: 38.5mm diameter
![[WTS] Omega Seamaster Aqua Terra Quartz - White Dial - 231.10.39.61.02.001 - Price Reduced!](https://preview.redd.it/cnz9p1gnwajg1.jpg?width=640&crop=smart&auto=webp&s=9a9018692cbdea0696a146daa150b6f5ace56861)
Omega Seamaster Aqua Terra Quartz - White Dial - 231.10.39.61.02.001 - Price Reduced!
This Omega Seamaster Aqua Terra Quartz features a white dial and is powered by a quartz movement, coming on its original stainless steel bracelet.
- Condition: pre-owned with minor wear
- Size: 38.5mm diameter
- Movement: quartz
- Bracelet material: stainless steel
![[WTS] Omega Seamaster Aqua Terra – Annual Calendar – 38.5mm Blue Dial](https://preview.redd.it/lgqwnhp9iajg1.jpeg?auto=webp&s=7214cbb61825cc645b6c9470e902cc3f9d9d89c7)
Omega Seamaster Aqua Terra – Annual Calendar – 38.5mm Blue Dial
The Omega Seamaster Aqua Terra features a 38.5mm stainless steel case on a stainless steel bracelet, with an annual calendar complication that automatically accounts for months with 30 or 31 days.
- Condition: Excellent condition
- Case size: 38.5mm diameter
- Movement: Omega Co-Axial calibre 8601
![[WTS] 2023 Omega Aqua Terra - Weave Dial](https://preview.redd.it/cyue2d3bf6jg1.jpg?width=640&crop=smart&auto=webp&s=21e659eae522571f83a79f6fa99460b92f236ece)
2023 Omega Aqua Terra - Weave Dial
A 2023 Omega Aqua Terra watch featuring a black weave dial and rose gold colored hands/makers.
- Condition: Very Good
- Case size: 41.5mm diameter
- Box condition: Outer Box / Inner Box / Warranty Card / Pictograms Card / Manual - Front flap loose / some wear marks
![[WTS] Omega Seamaster Aqua Terra 38 Green 220.12.38.20.10.001 MINT REDUCED](https://preview.redd.it/slr6oaexx5jg1.jpg?width=640&crop=smart&auto=webp&s=2c9f04b2e9ade3ee190a07b2fe23d83e57893ad4)
Omega Seamaster Aqua Terra 38 Green 220.12.38.20.10.001 MINT REDUCED
A Omega Seamaster Aqua Terra 38 in mint condition, with box and papers included.
- Condition: Mint
- Original Strap: Original omega strap
- Leather Strap Depth Rating: 200m water resistant (TUNS green leather strap)
- Warranty: Watchmaxx warranty