Omega Aqua Terra Seamaster Aqua Terra 150M Master Co-Axial 34 Sedna Gold / Diamond / MOP / Bracelet

Reference 231.55.34.20.55.003

Omega Seamaster Aqua Terra 150M Master Co-Axial 34 Sedna Gold / Diamond / MOP / Bracelet

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.
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MSRP: $37,900
Market Price: $13,381

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 Aqua Terra Worldtimer 43mm 220.12.42.22.03.001 - 2020 Full Set

Omega Aqua Terra Worldtimer 43mm 220.12.42.22.03.001 - 2020 Full Set

Omega - 220.12.42.22.03.001 · $6,550
Aqua Terra Worldtimer 43mm watch in excellent pre-owned condition, with slight wear on the polished parts.

  • Condition: Excellent Pre-Owned Condition, slight wear on polished parts of case, bezel, and clasp
  • Service history: Unknown; +5 s/d 300+ AMP
  • Trades accepted for: RLX, TDR, ZNT, OMG, GS
Posted at
Nov 7, 2025, 11:38 AM
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[WTS] 2024 Omega Seamaster Aqua Terra 38.5mm White 231.10.39.21.02.001

2024 Omega Seamaster Aqua Terra 38.5mm White 231.10.39.21.02.001

Omega - 231.10.39.21.02.001 · $2,799
2024 Omega Seamaster Aqua Terra 150m, 38.5mm in size, comes with watch cards.

  • Year: 2024
  • Depth Rating: 150m
Posted at
Nov 6, 2025, 5:30 PM
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[WTS] Omega Omega Seamaster Aqua Terra 150M 38.5mm Blue “Teak” Dial - Box & Papers in Excellent Condition

Omega Omega Seamaster Aqua Terra 150M 38.5mm Blue “Teak” Dial - Box & Papers in Excellent Condition

Omega - 231.10.39.21.03.002 · $3,800
The Omega Seamaster Aqua Terra 150M reference 231.10.39.21.03.002 is a versatile watch with a perfect blend of sportiness and refinement. It features a stainless-steel case and bracelet with alternating brushed and polished surfaces, a blue 'Teak-Concept' dial, and an in-house Co-Axial calibre 8500 movement.

  • Condition: Like new condition, collector-grade piece
  • Movement: in-house Co-Axial calibre 8500, twin-barrel automatic movement, 60-hour power reserve
  • Water resistance: 150m
  • Case size: 38.5mm
Posted at
Nov 6, 2025, 4:51 PM
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[WTS] 2024 Omega Seamaster Aqua Terra Worldtimer Blue Dial – Ref. 220.10.43.22.03.001

2024 Omega Seamaster Aqua Terra Worldtimer Blue Dial – Ref. 220.10.43.22.03.001

Omega - 220.10.43.22.03.001 · $7,489
The Omega Seamaster Aqua Terra Worldtimer combines refined design with global functionality, featuring a stunning sun-brushed blue dial and world map in relief at the center.

  • Condition: Excellent Condition
  • Case Size: 43mm diameter
  • Water Resistance: 150m depth rating
Posted at
Nov 6, 2025, 4:23 PM
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[WTS] Omega Semaster Aqua Terra 38.5mm - 231.10.39.21.55.001 - Beautiful Mother of Pearl / Diamond Dial, Watch & Cards only for 2899$ Shipped 🚢

Omega Semaster Aqua Terra 38.5mm - 231.10.39.21.55.001 - Beautiful Mother of Pearl / Diamond Dial, Watch & Cards only for 2899$ Shipped 🚢

Omega - 231.10.39.21.55.001 · $2,899
A stainless steel Omega Seamaster Aqua Terra reference 231.10.39.21.55.001 featuring a 38.5mm case size and a beautiful mother of pearl / diamond dial.

  • Condition: Great, with minor scratches
  • Case Size: 38.5mm diameter
  • Bracelet Length: 7.5 inches
  • Movement: Automatic co-axial 8500
Posted at
Nov 6, 2025, 8:47 AM
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[WTS] Omega Worldtimer Aqua Terra 22092432299001 Box + papers

Omega Worldtimer Aqua Terra 22092432299001 Box + papers

Omega - 22092432299001 · $7,380
The Omega Worldtimer Aqua Terra features a unique Earth dial, showcasing the planet from the North Pole. It has a robust stainless steel case and automatic movement, ensuring precision and reliability.

  • Condition: Pre-owned, very minor signs of wear
  • Case size: 43mm diameter
  • Water resistance: unknown depth rating
  • Movement type: Automatic (calibre 8938)
Posted at
Nov 4, 2025, 5:44 PM
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[WTS] Omega 38mm Aqua Terra (horizontal teak with 8800)

Omega 38mm Aqua Terra (horizontal teak with 8800)

Omega - Aqua Terra · $4,945
This Omega Aqua Terra is a horizontal teak version featuring the 8800 caliber and quick date change function. It comes with an OEM matching rubber strap and includes the original box, warranty, METAS cards, and operating instructions.

  • Condition: Pre-owned with minor cosmetic damage (ding on crown)
  • Lug width: 20mm
  • Thickness: 12mm
  • Length between lugs (l2l): 45mm
Posted at
Nov 4, 2025, 4:02 PM
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[WTS] 2000s Omega Seamaster Aqua Terra Railmaster 36mm ref. 2504.52

2000s Omega Seamaster Aqua Terra Railmaster 36mm ref. 2504.52

Omega - 2504.52 · $5,700
A 2000s Omega Seamaster Aqua Terra Railmaster 36mm with a stainless steel case and black dial. The watch features an automatic movement, Super-LumiNova lume, and a sapphire crystal.

  • Condition: Normal wear in the form of a few hairlines, faint scratches, and tiny nicks throughout, some micro patina on hands
  • Case Material: Stainless steel
  • Diameter: 36 mm
  • Lug Width: 19 mm
Posted at
Nov 2, 2025, 4:51 PM
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[WTS] Omega Aqua Terra (New Turquoise dial on rubber dated 7/25!) full kit $6500

Omega Aqua Terra (New Turquoise dial on rubber dated 7/25!) full kit $6500

Omega - Aqua Terra · $6,500
This Omega Aqua Terra features a new turquoise dial, 41mm case size, and a 60 hour power reserve. It has a water resistance of 150m and is equipped with the in-house 8900 movement.

  • Condition: Mint
  • Movement: 8900 in-house
  • Case size: 41mm diameter
  • Water resistance: 150m depth rating
Posted at
Nov 2, 2025, 1:47 PM
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