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

Reference 231.20.39.21.55.002

About this watch

The Omega Seamaster Aqua Terra 150M Co-Axial 38.5 is a masterpiece that perfectly balances elegance with functionality, featuring an array of impressive specifications including the in-house Omega caliber 8500 movement, water resistance of 150 meters, and a stunning mother-of-pearl dial. With its combination of yellow gold and stainless steel, this watch exudes refinement and sophistication, making it suitable for both formal events and casual outings. The inclusion of a date window adds to its functionality, while the adjustable clasp ensures a perfect fit. Whether you're swimming, snorkeling, or just caught in the rain, this watch can handle it all without missing a beat. Its elegant design allows it to transition seamlessly from a business meeting to a casual dinner or a beach day, making it an ideal accessory for anyone looking to invest in a watch that combines elegance, functionality, and cutting-edge technology.
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Key Features

  • In-house Omega caliber 8500 movement
  • Water resistance of 150 meters
  • Stunning mother-of-pearl dial
  • Combination of yellow gold and stainless steel case
  • Chronometer certified for precision
  • 60-hour power reserve
  • 25,200 vibrations per hour frequency

Specifications

Brand
Omega
Family
Aqua Terra
Model
Seamaster Aqua Terra 150M Co-Axial 38.5 Stainless Steel / Yellow Gold / MOP / Bracelet
Reference
231.20.39.21.55.002
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] 2025 Full Kit. Omega Seamaster Aqua Terra Co-Axial GMT 231.10.43.22.01.001. PRICE DROP $3,800

2025 Full Kit. Omega Seamaster Aqua Terra Co-Axial GMT 231.10.43.22.01.001. PRICE DROP $3,800

Beautiful Aqua Terra GMT, Full Set Stamped with 5 year warranty dated February, 2025.

  • Year Warranty Valid Until: 2025
Posted at
Dec 14, 2025, 5:23 PM
Active
[WTS] Omega Seamaster Aqua Terra 220.12.41.21.06.001 Teak Grey Dial

Omega Seamaster Aqua Terra 220.12.41.21.06.001 Teak Grey Dial

This Omega Seamaster Aqua Terra features a teak grey dial and a stainless steel case with automatic Co-Axial Master Chronometer movement, keeping good time with no issues.

  • Condition: Good condition overall with no deep marks or scratches
  • Case size: 41mm diameter
  • Movement type: Automatic Co-Axial Master Chronometer
  • Strap: Blue rubber strap
Posted at
Dec 14, 2025, 9:52 AM
Active
[WTS] Omega Seamaster Aqua Terra 150m Blue 220.10.41.21.03.002

Omega Seamaster Aqua Terra 150m Blue 220.10.41.21.03.002

A blue Omega Seamaster Aqua Terra with a 7.25" bracelet, featuring a 150m water resistance.

  • Bracelet length: 7.25 inches
Posted at
Dec 13, 2025, 6:02 PM
Active
[WTS] Omega Seamaster Aqua Terra 38mm White (220.10.38.20.02.001) – $3,900 Complete Set

Omega Seamaster Aqua Terra 38mm White (220.10.38.20.02.001) – $3,900 Complete Set

A used Omega Seamaster Aqua Terra in white/silver, purchased in March 2020 and no longer under warranty.

  • Condition: Excellent, with minor scratches and scuffs
  • Year Purchased: 2020
  • Retail Price: 7100
  • Warranty Status: no longer under warranty
Posted at
Dec 13, 2025, 6:01 PM
Active
[WTS] WatchScene Favorites – Omega Seamaster Aqua Terra ‘Blue Wave’ with Gold Accents

WatchScene Favorites – Omega Seamaster Aqua Terra ‘Blue Wave’ with Gold Accents

Omega - 23110422103006 · $4,750
This Omega Seamaster Aqua Terra 'Blue Wave' features a striking blue dial with wave pattern, 18K yellow gold accents and is powered by the Omega Master Co-Axial calibre 8500.

  • Condition: Excellent all-around condition
  • Case size: 41.5mm diameter
  • Movement: Omega Master Co-Axial calibre 8500
  • Water resistance: 150m depth rating
Posted at
Dec 12, 2025, 8:28 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