Omega Aqua Terra Seamaster Aqua Terra 150M Master Co-Axial 38.5 Stainless Steel / Red Gold / MOP / Bracelet

Reference 231.20.39.21.55.003

About this watch

The Omega Seamaster Aqua Terra 150M Master Co-Axial 38.5 is a masterpiece of luxury watchmaking, seamlessly blending elegance with functionality. Its unique mother-of-pearl dial and gem-set indexes create a truly one-of-a-kind look, while its stainless steel case and red gold accents exude luxurious sophistication. With a water resistance of 150 meters, this watch is perfect for those who love to stay active while still looking stylish. At the heart of the Aqua Terra lies the Omega caliber 8500, an in-house automatic movement that has been a game-changer in the watch industry since its introduction in 2007. This remarkable movement boasts a total power reserve of 60 hours and features a Co-Axial escapement that significantly reduces friction between the movement's components, enhancing its longevity and accuracy. Whether you're attending a formal gala or diving into the ocean, this watch is designed to impress with its stunning aesthetics, reliable movement, and robust features.
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Key Features

  • Unique MOP dial and gem-set indexes
  • Water-resistant up to 150 meters
  • In-house Omega caliber 8500 movement
  • 60-hour power reserve
  • Co-Axial escapement for enhanced accuracy and longevity
  • Stainless steel case with red gold accents
  • 38.5mm diameter suitable for both men and women

Specifications

Brand
Omega
Family
Aqua Terra
Model
Seamaster Aqua Terra 150M Master Co-Axial 38.5 Stainless Steel / Red Gold / MOP / Bracelet
Reference
231.20.39.21.55.003
Movement
8500
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
38.5mm
Dial Color
White
Crystal
Sapphire
Water Resistance
150

Current Listings

[WTS][US] Omega Aqua Terra Worldtimer - Blue Dial - 43mm - 220.10.43.22.03.001 - Full Set

[US] Omega Aqua Terra Worldtimer - Blue Dial - 43mm - 220.10.43.22.03.001 - Full Set

Up for sale is an Omega Aqua Terra Worldtimer - Blue Dial - 43mm - Full Set Watch functions perfectly mechanically, without issue.

  • Condition: Fantastic condition with minor hairlines on bracelet, clasp, and case
  • Size: 43mm diameter
  • Case condition: Minor hairlines
  • Bracelet condition: Minor hairlines
Posted at
Jun 21, 2025, 2:35 PM
Active
Omega Aqua Terra Black Lacquer Dial 41mm

Omega Aqua Terra Black Lacquer Dial 41mm

Omega - 220.10.41.21.01.002 · $4,950.005
A gently used Omega Aqua Terra Black Lacquer Dial watch in excellent condition, featuring a 41mm case size.

  • Condition: 9.5/10, lightly worn with some minor marks and swirls
  • Box: wooden box, outer white box
  • Papers: manual, all cards, warranty card (dated 10-22-2024)
Posted at
Jun 20, 2025, 11:11 PM
Active
[WTS] [EU] Omega Aqua Terra black teak dial 38 mm, 2023 AD purchased, full set with rubber strap and clasp.

[EU] Omega Aqua Terra black teak dial 38 mm, 2023 AD purchased, full set with rubber strap and clasp.

This Omega Aqua Terra 38mm black teak dial watch is a 2023 model, still under warranty until 2028. It comes in its full set with rubber strap and clasp.

  • Condition: Very good - light wear only
  • Case Size: 38mm diameter
  • Dial Color: black with teak pattern
  • Bracelet Type: rubber strap with clasp
Posted at
Jun 20, 2025, 4:32 PM
Active
Omega Aqua Terra 8800 - 38mm - Lacquer Black - 220.10.38.20.01.004 ( new )

Omega Aqua Terra 8800 - 38mm - Lacquer Black - 220.10.38.20.01.004 ( new )

Up for sale is a brand new Omega Aqua Terra 8800 38mm with Lacquer Black Dial, reference # 220.10.38.20.01.004.

  • Condition: Brand new
  • Case size: 38mm
  • Movement type: Master Chronometer Movement
Posted at
Apr 3, 2025, 3:15 PM
Active
Omega Seamaster Aqua Terra Green 41mm

Omega Seamaster Aqua Terra Green 41mm

The Omega Seamaster Aqua Terra Green is a versatile watch suitable for daily wear, featuring a Master Chronometer certified calibre 8900 with 60 hours of power reserve and antimagnetic properties. It has an excellent bracelet and proportions.

  • Condition: Near-mint, 94-95%
  • Case size: 41mm x 47.9mm lug to lug
  • Thickness: 13.2mm
  • Power reserve: 60 hours
Posted at
Mar 31, 2025, 10:30 AM
Active
Omega Seamaster Aqua Terra Co-Axial White Blue Stainless Steel MINT 2503.33.00

Omega Seamaster Aqua Terra Co-Axial White Blue Stainless Steel MINT 2503.33.00

The Omega Seamaster Aqua Terra Co-Axial is a sport-ready watch with dress-worthy charm, featuring a white dial with blue accents and a stainless steel case with brushed and polished finishes.

  • Condition: Mint
  • Movement: Co-Axial
  • Case size: Not specified
  • Water resistance: Not specified
Posted at
Mar 25, 2025, 5:11 PM
Active
Omega Aqua Terra - Small Seconds - Slate - 220.12.41.21.03.005 ( excellent )

Omega Aqua Terra - Small Seconds - Slate - 220.12.41.21.03.005 ( excellent )

This Omega Aqua Terra 150M Small Seconds features a Slate Blue dial and is housed in a 41mm stainless steel case.

  • Condition: Excellent
  • Case material: Stainless Steel
  • Water resistance: 150m
Posted at
Mar 25, 2025, 3:13 PM
Active
Omega Aqua Terra 38 Shades Red Terracotta Box Papers Warranty

Omega Aqua Terra 38 Shades Red Terracotta Box Papers Warranty

The Omega Seamaster Aqua Terra 38 Shades Collection Watch features a 38mm stainless steel case with a terracotta dial and polished bezel on a stainless steel bracelet.

  • Condition: 96% Near Mint Condition
  • Case size: 38mm diameter
  • Water resistance: 150 meters/500 feet
Posted at
Mar 25, 2025, 1:55 AM
Active