Omega Aqua Terra Seamaster Aqua Terra 150m Master Co-Axial 38.5 Red Gold / Grey / Bracelet

Reference 231.50.39.21.06.003

About this watch

The Seamaster Aqua Terra 150m Master Co-Axial is a masterclass in watchmaking, seamlessly combining elegance, functionality, and advanced technology. This timepiece exudes luxury and sophistication with its stunning grey dial and striking red gold case. The Omega caliber 8501 automatic movement features a Co-Axial escapement, reducing friction and enhancing accuracy. With a power reserve of 60 hours, this watch is built to perform in various conditions. Its water resistance of 150m makes it a practical tool for water lovers, while its comfort on the wrist ensures all-day wear without discomfort. This watch is incredibly versatile, suitable for formal occasions and rugged environments alike.
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MSRP: $32,100
Market Price: $14,721

Key Features

  • Automatic Omega caliber 8501 movement
  • Co-Axial escapement for enhanced accuracy
  • Water resistance of 150m
  • Red gold case with 38.50 mm diameter
  • Grey dial with stick and dot indexes
  • Arrow-shaped hands for easy time-telling
  • Open case back to showcase movement details

Specifications

Brand
Omega
Family
Aqua Terra
Model
Seamaster Aqua Terra 150m Master Co-Axial 38.5 Red Gold / Grey / Bracelet
Reference
231.50.39.21.06.003
Movement
8501
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
Red Gold 38.5mm
Dial Color
Grey
Crystal
Sapphire
Water Resistance
150

Current Listings

[WTS] Omega Seamaster Aqua Terra 150m Co-Axial 220.12.41.21.01.001 Jomashop Set

Omega Seamaster Aqua Terra 150m Co-Axial 220.12.41.21.01.001 Jomashop Set

Aqua Terra 150m Co-Axial watch, 41mm in size, full Jomashop set with an extra Forstner bracelet.

  • Condition: Overall good condition
  • Bracelet: Forstner bracelet
  • Depth rating: 150m
Posted at
Nov 3, 2025, 4:14 PM
Active
[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
Active
[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
Active
[wts] Omega Aqua Terra (7/25 warranty) full kit $4300

Omega Aqua Terra (7/25 warranty) full kit $4300

Omega - Aqua Terra · $4,300
This Omega Aqua Terra features a Teak designed blue dial, in-house 8900 movement, and comes with a full kit including boxes, manual, warranty card, and more.

  • Condition: Excellent, Mint condition with light scratches around the bezel
  • Movement: In-house 8900 movement
  • Diameter: 41mm
  • Water Resistance: 150m
Posted at
Nov 2, 2025, 1:42 PM
Active
[WTS] Omega Seamaster Aqua Terra Shades

Omega Seamaster Aqua Terra Shades

This Omega Aqua Terra Shades features a 38mm case, sun-brushed lavender dial, and an automatic master chronometer certified movement.

  • Condition: Very good
  • Case diameter: 38mm
  • Bracelet material: metal (updated version with quick extension)
Posted at
Nov 1, 2025, 11:59 AM
Active
[WTS] Omega Seamaster Aqua Terra “PyeongChang 2018” 522.10.42.21.03.001 – 41.5 mm Co-Axial – Box and Papers 🎯 – $3,699 Shipped

Omega Seamaster Aqua Terra “PyeongChang 2018” 522.10.42.21.03.001 – 41.5 mm Co-Axial – Box and Papers 🎯 – $3,699 Shipped

This is the Omega Seamaster Aqua Terra “PyeongChang 2018” Limited Edition, released to commemorate the 2018 Winter Olympics in South Korea. It features a blue teak dial and a stainless steel case with 150m water resistance, powered by the Co-Axial Master Chronometer Calibre 8500.

  • Condition: Excellent overall with faint surface wear from light use
  • Case size: 41.5mm
  • Water resistance: 150m
  • Depth rating: 150m water resistance
Posted at
Oct 31, 2025, 10:01 PM
Active
[WTS] Omega Seamaster Aqua Terra 41 Black (Ref 220.10.41.21.01.001)

Omega Seamaster Aqua Terra 41 Black (Ref 220.10.41.21.01.001)

This Omega Seamaster Aqua Terra features a black 'teak-deck' patterned dial and a 41mm stainless steel case with a transparent sapphire caseback, making it a stylish and functional watch for everyday wear and light water activities.

  • Condition: Excellent Condition
  • Movement: Calibre 8900 - METAS-certified, anti-magnetic up to 15,000 gauss, 60-hour power reserve
  • Case size: 41 mm diameter
  • Water resistance: 150 m / 500 ft depth rating
Posted at
Oct 31, 2025, 8:41 PM
Active
[WTS] Omega Seamaster Aqua Terra 41mm (220.12.41.21.02.002) – Full Set (Sept 2025)

Omega Seamaster Aqua Terra 41mm (220.12.41.21.02.002) – Full Set (Sept 2025)

This Omega Seamaster Aqua Terra 41mm is a brand new, unused watch with a white dial and orange accent. It comes with the full set, including OEM rubber strap, inner/outer boxes, cards, and manual.

  • Condition: Like new with minimal signs of wear
  • Warranty: 5-year full warranty from Omega
  • Set included: Full set including inner/outer boxes, three cards (Pictogram, Master Chronometer, Warranty), and manual
Posted at
Oct 31, 2025, 2:54 PM
Active
[WTS] (2008) Full Set Omega Seamaster Aqua Terra 2504.30 Silver Dial Automatic First Generation 36mm $2,600

(2008) Full Set Omega Seamaster Aqua Terra 2504.30 Silver Dial Automatic First Generation 36mm $2,600

Omega - 2504.30 · $2,600
A first generation 2008 Omega Seamaster Aqua Terra in excellent condition with a silver dial and automatic movement.

  • Condition: Freshly polished, recently serviced
  • Case size: 36mm
  • Diameter: 36mm
Posted at
Oct 31, 2025, 5:12 AM
Active