Omega Aqua Terra Seamaster Aqua Terra 150M Co-Axial 38.5 Stainless Steel / Red Gold / Black

Reference 231.23.39.21.51.001

About this watch

The Omega Seamaster Aqua Terra 150M Co-Axial 38.5 is a masterful blend of style and functionality. This luxurious timepiece boasts a stunning combination of red gold and stainless steel, giving it a sporty yet elegant appearance. The round case measures 38.50 mm in diameter, making it suitable for both men and women. The black dial features gem-set indexes that catch the light beautifully, adding a touch of sophistication to the overall design. Arrow-shaped hands enhance visibility while also adding a modern twist to its classic face. With a water resistance of up to 150 meters, this watch is designed for function as well as form. But what truly sets it apart is the Omega caliber 8500 movement, a certified chronometer that offers an impressive 60 hours of power reserve. The Co-Axial escapement reduces friction, extending the longevity of the watch's performance. Whether you're in a business meeting or enjoying a casual day out, this watch adapts beautifully to any scenario. It's a conversation starter, and with its exquisite design, reliable movement, and versatility, it easily earns its place in the coveted collection of luxury timepieces.
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Key Features

  • Omega caliber 8500 movement
  • Certified chronometer
  • 60 hours power reserve
  • Co-Axial escapement
  • Water resistance up to 150 meters
  • Red gold and stainless steel construction
  • Sapphire glass
  • 38.50 mm diameter case

Specifications

Brand
Omega
Family
Aqua Terra
Model
Seamaster Aqua Terra 150M Co-Axial 38.5 Stainless Steel / Red Gold / Black
Reference
231.23.39.21.51.001
Movement
8500
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
38.5mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
150

Current Listings

[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 Aqua Terra 41mm 220.10.41.21.03.004 - Blue Teak Dial - Price Reduced ‼️

Omega Aqua Terra 41mm 220.10.41.21.03.004 - Blue Teak Dial - Price Reduced ‼️

This is an Omega Aqua Terra 41mm watch with a blue teak dial that functions perfectly.

  • Condition: pretty good, light wear on bracelet and lugs
  • Case size: 41mm
  • Wrist fit: up to 7.25 inches
Posted at
Oct 31, 2025, 3:37 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
[WTS] Omega Seamaster Aqua Terra 2504.50 36mm Black Dial $2400

Omega Seamaster Aqua Terra 2504.50 36mm Black Dial $2400

Omega - 2504.50 · $2,400
The Omega Seamaster Aqua Terra is a luxury watch featuring a black dial and 36mm case size.

  • Condition: Excellent
  • Movement: 2500c
  • Case Size: 36mm
Posted at
Oct 31, 2025, 3:48 AM
Active
[WTS] Omega Turquoise Aqua Terra 38mm Unworn 12/24 Warranty

Omega Turquoise Aqua Terra 38mm Unworn 12/24 Warranty

This Omega Seamaster Aqua Terra features a stunning turquoise gradient dial and is powered by the excellent Master Chronometer movement, making it a fantastic everyday watch.

  • Condition: Excellent, unworn
  • Movement Type: Master Chronometer Calibre 8800
  • Power Reserve: 55 hours
  • Water Resistance: 150m (500ft)
Posted at
Oct 30, 2025, 4:03 PM
Active
[WTS] Omega Seamaster Aqua Terra Co-Axial 42mm 231.10.42.21.06.001 Gray

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 available for sale.

  • Condition: Fresh, serviced
  • Bracelet length: 7.25 inches
Posted at
Oct 30, 2025, 3:53 PM
Active