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

Reference 231.13.39.21.55.002

About this watch

The Omega Seamaster Aqua Terra 231.13.39.21.55.002 is a masterpiece that embodies elegance and performance. Its stunning Mother of Pearl dial reflects light beautifully, creating a dynamic visual experience. The gem-set indexes add a touch of luxury, making the watch ideal for both casual and formal occasions. With a water resistance rating of 150 meters, this timepiece is more than equipped for aquatic adventures. At its heart lies the Omega Master Co-Axial caliber 2500, an automatic movement known for its precision and reliability. The combination of the bracelet and case makes it a breeze to wear, weighing in at a balanced weight that feels substantial without being cumbersome. This watch is not just a timepiece; it's a legacy that you can pass down through generations.
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Key Features

  • 38.5mm stainless steel case
  • Mother of Pearl dial with gem-set indexes
  • Omega Master Co-Axial caliber 2500 automatic movement
  • 150m water resistance
  • Stainless steel bracelet with deployment clasp
  • 48-hour power reserve
  • Co-Axial escapement for reduced friction

Specifications

Brand
Omega
Family
Aqua Terra
Model
Seamaster Aqua Terra 150M Master Co-Axial 38.5 Stainless Steel / MOP
Reference
231.13.39.21.55.002
Movement
2500
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Co-Axial Escapement, Chronometer
Case
Stainless Steel 38.5mm
Dial Color
White
Crystal
Sapphire
Water Resistance
150

Current Listings

[WTS] Omega Aqua Terra Quartz 38.5mm Grey Dial 4654 231.10.39.60.06.00 $1,700

Omega Aqua Terra Quartz 38.5mm Grey Dial 4654 231.10.39.60.06.00 $1,700

A Omega Seamaster Aqua Terra Quartz with a grey dial and 38.5mm case size, available for sale in full set with box and papers.

  • Condition: Full set, recently polished
  • Case Size: 38.5mm
  • Movement Type: Quartz
Posted at
Oct 18, 2025, 2:24 AM
Active
[WTS] Omega Aqua Terra 38.5 Quartz Second Gen White 231.10.39.60.02.001 $1,700

Omega Aqua Terra 38.5 Quartz Second Gen White 231.10.39.60.02.001 $1,700

This Omega Aqua Terra Second Gen features a white dial and quartz movement. The watch has been recently polished to look like new, with a 38.5mm case size suitable for an 18.5cm wrist.

  • Condition: like new
  • Case Size: 38.5mm
  • Movement Type: Quartz
Posted at
Oct 17, 2025, 10:09 PM
Active
[WTS] Omega Seamaster Aqua Terra 39mm 2503.50 $2200

Omega Seamaster Aqua Terra 39mm 2503.50 $2200

Omega - 2503.50 · $2,200
This Omega Seamaster Aqua Terra 39mm is a stylish and functional watch that features a clean crystal and fits about an 18cm wrist.

  • Condition: Excellent, little signs of use
  • Case size: 39mm
  • Wrist size: fits about 18cm
Posted at
Oct 17, 2025, 9:10 PM
Active
[WTS] Omega Aqua Terra Co-Axial - FULLY SERVICED this week! - $2,599 Shipped!

Omega Aqua Terra Co-Axial - FULLY SERVICED this week! - $2,599 Shipped!

Omega - 2503.30 · $2,599
This is the classic 39mm Omega Aqua Terra featuring a silver dial and Caliber 2500 Co-Axial movement. The watch has just undergone a complete service and is running accurately.

  • Condition: Excellent with minor mark on left case side
  • Movement: Caliber 2500 Co-Axial
  • Case size: 39mm diameter
  • Water resistance: null
Posted at
Oct 17, 2025, 1:08 PM
Active
[WTS] Unworn and unfitted Omega Seamaster Aqua Terra 150M 41mm steel on steel - bought Aug 2025 [warranty start date]

Unworn and unfitted Omega Seamaster Aqua Terra 150M 41mm steel on steel - bought Aug 2025 [warranty start date]

This Omega Seamaster Aqua Terra 150M is an automatic watch with a stainless steel case and sapphire crystal.

  • Condition: mint condition, unworn
  • Movement caliber: 8900
  • Water resistance depth rating: 150m
Posted at
Oct 16, 2025, 7:54 PM
Active
[WTS] Omega Seamaster Aqua Terra - 36mm - 2504.80

Omega Seamaster Aqua Terra - 36mm - 2504.80

Omega - 2504.80 · $2,595
The Omega Seamaster Aqua Terra features a stunning navy blue sunburst dial and is powered by Omega's innovative Co-Axial automatic movement.

  • Condition: Excellent overall condition with minimal wear
  • Case Size: 36.2mm diameter
  • Crystal Type: Domed sapphire crystal with anti-reflective coating
Posted at
Oct 16, 2025, 1:17 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