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

Reference 231.13.39.21.55.002

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

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.

Buy Now on Jomashop

This is an affiliate link

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

Omega Seamaster Aqua Terra Grey Teak 38.5mm Automatic - 231.10.39.21.06.001

Omega - 231.10.39.21.06.001 · $2,995

This Omega Seamaster Aqua Terra features a grey teak dial, automatic movement, and a 38.5mm case size, giving it a clean and versatile look.

Condition: Pre-owned, great condition with light wear throughout
Size: 38.5mm diameter
Wrist size: not specified
Depth rating: not specified

Posted at

May 25, 2026, 6:44 PM

Active

View listing on r/WatchExchange

Omega Seamaster Aqua Terra – Black Lacquer – 38mm – Recent Factory Service/Regulation

Omega - 220.10.38.20.01.004 · $5,200

A 38mm Omega Seamaster Aqua Terra with a black lacquer dial is up for sale. This GADA piece has been recently serviced by Omega under factory warranty and comes with official paperwork. It features a polished bezel, crystal, and dial.

Condition: Overall good, honest condition with minor hairline scratches and surface scratches from desk wear.
Case Size: 38mm
Bezel Material: polished bezel

Posted at

May 25, 2026, 3:14 PM

Active

View listing on r/WatchExchange

Omega Seamaster Aqua Terra Quartz 38.5mm Grey Teak ref. 231.10.39.60.06.001

Omega - 231.10.39.60.06.001 · $2,050

A Omega Seamaster Aqua Terra quartz watch with a dark grey vertical teak pattern dial, featuring a 38.5mm case size.

Condition: Great to excellent
Case Size: 38.5mm
Caliber: Cal. 4564
Crystal Condition: Excellent

Posted at

May 25, 2026, 10:24 AM

Active

View listing on r/WatchExchange

Omega Aqua Terra - 220.10.41.21.06.001 - Gray Blue Variant - Near Mint

Omega - 220.10.41.21.06.001 · $4,445

Aqua Terra in Gray with blue accents, good condition and includes full kit.

Condition: Near mint with a few hairlines
Box Type: Brown outer box and inner Omega Wood Style box
Extras: Full kit, extra links, hang tag, two cards

Posted at

May 25, 2026, 9:40 AM

Active

View listing on r/WatchExchange

Omega Aqua Terra 231.10.39 Cal 8500 38.5 mm Master Co-Axial Box and Papers - $3,250

Omega - 231.10.39.21.02.002 · $3,250

This Omega Aqua Terra 231.10.39 Cal 8500 is a 39mm watch with an OMEGA 8500 movement.

Condition: Great condition, minimal marks on case and caseback
Case size: 39mm
Movement: Calibre OMEGA 8500
Bracelet material: Steel

Posted at

May 24, 2026, 9:54 PM

Active

View listing on r/WatchExchange

Omega Aqua Terra 231.10.39 Cal 8500 38.5 mm Master Co-Axial - $2,950

Omega - 231.10.39.21.02.002 · $2,950

This Omega Aqua Terra features a Calibre OMEGA 8500 movement, measuring 39mm in diameter. It has a steel case with an original Omega steel bracelet.

Condition: Great condition, 8.9/10 for case and bracelet
Movement: Calibre OMEGA 8500
Case size: 39mm
Bracelet type: Original Omega steel bracelet (replaced with OEM all brushed version)

Posted at

May 24, 2026, 9:52 PM

Active

View listing on r/WatchExchange

Omega Seamaster Aqua Terra 231.10.39.21.01.001 Black Teak 38.5mm - $2,590

Omega - 231.10.39.21.01.001 · $2,590

Up for sale is my great condition Omega Seamaster Aqua Terra 231.10.39.21.01.001, this watch measures at 38.5mm and has an automatic Omega Calibre 8500 movement.

Condition: Very good condition for its age
Case size: 38.5mm
Movement: Automatic Omega Calibre 8500
Bracelet material: Steel

Posted at

May 24, 2026, 9:01 PM

Active

View listing on r/WatchExchange

Omega Seamaster Aqua Terra “Turquoise Shades” 41mm Reduced

Omega - 220.10.41.21.03.006 · $5,900

Up for sale is my Omega Seamaster Aqua Terra Shades in the stunning turquoise lacquer dial configuration, featuring a sunburst/turquoise gradient effect that shifts beautifully in different lighting.

Condition: Pretty good overall condition with normal signs of wear
Case size: 41mm
Movement: Omega Co-Axial Master Chronometer Caliber 8900
Power reserve: 60 Hours

Posted at

May 24, 2026, 5:55 PM

Active

View listing on r/WatchExchange