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] Two Tone State of Mind: Omega Seamaster Aqua Terra – Red Gold & Steel

Two Tone State of Mind: Omega Seamaster Aqua Terra – Red Gold & Steel

The Omega Seamaster Aqua Terra 150M - Red Gold & Steel features a beautifully balanced design with a grey-chocolate teak-pattern dial and red gold accents.

  • Condition: Excellent overall condition
  • Case size: 41.5mm diameter
  • Water resistance: 150M
  • Movement: in-house Co-Axial Caliber 8500
Posted at
May 28, 2026, 12:33 PM
Active
[WTS] Omega Seamaster Aqua Terra 2518.50 36mm Full Kit -   $2,150

Omega Seamaster Aqua Terra 2518.50 36mm Full Kit - $2,150

Omega - 2518.50 · $2,150
Up for sale is a good condition Omega Seamaster Aqua Terra 2518.80 with a Calibre OMEGA 1538 quartz movement and measures at 36mm.

  • Condition: very good
  • Case condition rating: 8.8/10
  • Movement type: quartz
Posted at
May 27, 2026, 9:57 PM
Active
[WTS] Omega Seamaster Aqua Terra 2504.50 - $1,990

Omega Seamaster Aqua Terra 2504.50 - $1,990

Omega - 2504.50 · $1,990
Up for sale is my good condition Omega Seamaster Aqua Terra 2504.50.00, featuring an automatic movement and measuring 36mm in diameter.

  • Condition: Good condition with wear on sapphire crystal and oxidation/marks on dial/hands
  • Case size: 36mm diameter
  • Bracelet type: Original Omega Steel bracelet
  • Crystal condition: Sapphire crystal with damage and AR coating issues
Posted at
May 27, 2026, 9:09 PM
Active
[WTS] Omega Seamaster Aqua Terra 2504.80.00 “First Gen” Mid-Size 36.2mm | Blue Sunburst Dial, Cal. 2500 Co-Axial, Fresh Service,Full Set | $2,899 Shipped

Omega Seamaster Aqua Terra 2504.80.00 “First Gen” Mid-Size 36.2mm | Blue Sunburst Dial, Cal. 2500 Co-Axial, Fresh Service,Full Set | $2,899 Shipped

This is a first-generation Omega Seamaster Aqua Terra ref. 2504.80.00, featuring a blue sunburst dial and the Cal. 2500 Co-Axial chronometer movement.

Posted at
May 27, 2026, 5:09 PM
Active
[WTS] 2023 Omega Seamaster Aqua Terra - 231.10.39.21.02.001 - Box and Papers - Price Reduced!

2023 Omega Seamaster Aqua Terra - 231.10.39.21.02.001 - Box and Papers - Price Reduced!

This Omega Seamaster Aqua Terra features a white dial and automatic movement. It is a versatile and highly desirable timepiece that comes with its original packaging, including the red Omega box, warranty card, and manual.

  • Condition: Very clean pre-owned example in great overall condition with very minimal wear.
  • Model: Seamaster Aqua Terra
  • Diameter: 38.5mm
  • Year: 2023
Posted at
May 27, 2026, 4:18 PM
Active
[WTS] Omega Aqua Terra 8900 41mm Turquoise / Black Ceramic 220.32.41.21.03.001 ( new / 2026 / box and papers )

Omega Aqua Terra 8900 41mm Turquoise / Black Ceramic 220.32.41.21.03.001 ( new / 2026 / box and papers )

This is a brand new Omega Aqua Terra 8900 with a turquoise dial and black ceramic bezel, featuring a stainless steel case and master chronometer movement.

  • Case material: Stainless Steel / Black Ceramic
  • Movement type: Master Chronometer Movement
Posted at
May 26, 2026, 1:27 PM
Active
[WTS] Omega Aqua Terra 8900 41mm Lacquer Black 220.10.41.21.01.002 ( new / 2026 / box and papers )

Omega Aqua Terra 8900 41mm Lacquer Black 220.10.41.21.01.002 ( new / 2026 / box and papers )

Aqua Terra 8900 41mm stainless steel case with a master chronometer movement and lacquer black dial.

  • Condition: Brand new
  • Case size: 41mm diameter
  • Movement type: Master Chronometer
Posted at
May 26, 2026, 1:23 PM
Active
[WTS] Omega Aqua Terra 8900 41mm Green Dial 220.10.41.21.10.001 ( new / 2026 / box and papers )

Omega Aqua Terra 8900 41mm Green Dial 220.10.41.21.10.001 ( new / 2026 / box and papers )

This Omega Aqua Terra 8900 features a green dial and is part of the complete set, including all boxes, papers, and warranty card.

  • Condition: New
  • Case size: 41mm diameter
  • Movement type: Master Co-Axial
Posted at
May 26, 2026, 1:16 PM
Active
[WTS] Omega Aqua Terra 8800 38mm Green Diver 220.12.38.20.10.001 ( new / 2026 / box and papers )

Omega Aqua Terra 8800 38mm Green Diver 220.12.38.20.10.001 ( new / 2026 / box and papers )

This Omega Aqua Terra 8800 is a brand new stainless steel watch with a green dial and master co-axial movement, available on a rubber strap.

  • Condition: Brand new
  • Case size: 38mm diameter
  • Movement: Master Co-Axial Movement
Posted at
May 26, 2026, 1:08 PM
Active