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

Reference 231.20.39.21.51.003

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

About this watch

The Omega Aqua Terra 231.20.39.21.51.003 is a masterpiece of engineering and design, combining elegance with functionality. Crafted from a harmonious blend of stainless steel and red gold, this watch exudes luxury and durability. The black dial, complemented by gem-set indexes, adds a touch of sophistication that's hard to ignore. The round case, with a diameter of 38.5mm, strikes an ideal balance between boldness and wearability. At the core lies the Omega caliber 8500 movement, renowned for its precision and reliability, featuring 39 jewels and a frequency of 25,200 vibrations per hour. This automatic movement boasts an impressive 60-hour power reserve, ensuring it keeps perfect time even when taken off for days. With a water resistance of up to 150 meters, this watch is suitable for swimming and snorkeling. As a 'Master Co-Axial Chronometer', it has passed stringent tests ensuring its accuracy. The date function included ensures you always know what day it is, while the comfortable fit makes it perfect for all-day wear. Whether in formal or casual settings, the Aqua Terra's design speaks volumes and adapts to any outfit.

Buy Now on Jomashop

This is an affiliate link

MSRP: $9,550

Market Price: $3,884

Key Features

Omega caliber 8500 movement
60-hour power reserve
150m water resistance
Date function
Master Co-Axial Chronometer certification
Stainless steel and red gold construction
Black dial with gem-set indexes

Specifications

Brand

Omega

Family

Aqua Terra

Model

Seamaster Aqua Terra 150M Co-Axial 38.5 Stainless Steel / Red Gold / Black / Bracelet

Reference

231.20.39.21.51.003

Movement

8500

Movement Features

Hours, Minutes, Seconds
Date
Chronometer, Co-Axial Escapement

Case

38.5mm

Dial Color

Black

Crystal

Sapphire

Water Resistance

150

Current Listings

Omega Seamaster Aqua Terra 150m - Grey Dial - 41mm - 220.12.41.21.02.002

Omega - 220.12.41.21.02.002 · $5,450

Omega Seamaster Aqua Terra 150m features a grey dial and a 41mm case.

Condition: Fantastic condition with minor hairlines
Depth rating: 150m
Diameter: 41mm

Posted at

Mar 16, 2026, 11:11 AM

Active

View listing on r/WatchExchange

Omega Seamaster Aqua Terra – 'Blue Wave’ – Gold Accents – Box & Papers

Omega - 23110422103006 · $4,950

A striking Aqua Terra released for a very short period in limited production, featuring a blue dial with wave pattern and 18K yellow gold details.

Condition: Excellent all-around condition
Case size: 41.5mm
Water resistance: 150M / 15 bar
Movement: Omega Master Co-Axial calibre 8500

Posted at

Mar 15, 2026, 4:11 PM

Active

View listing on r/WatchExchange

Omega Seamaster Aqua Terra Worldtimer “Summer Blue”

Omega - 220.10.43.22.03.002 · $8,750

This Omega Seamaster Aqua Terra Worldtimer features a stunning 'Summer Blue' dial with a laser-ablated topographic map of the continents, powered by the Omega Co-Axial Master Chronometer Caliber 8938. This watch allows you to track time across the globe while maintaining everyday wearability.

Condition: Brand new old stock and unworn
Case size: 43mm
Movement caliber: Omega Co-Axial Master Chronometer Caliber 8938
Complications: Worldtimer

Posted at

Mar 15, 2026, 1:55 PM

Active

View listing on r/WatchExchange

Omega Seamaster Aqua Terra 150m 38mm. Ref 220.12.38.20.02.001

Omega - 220.12.38.20.02.001 · $4,600

Selling an Omega Seamaster Aqua Terra 150m 38mm, under warranty until July 2028.

Condition: Minor wear on the sides
Water Resistance: 150m
Warranty: until July 2028

Posted at

Mar 15, 2026, 10:39 AM

Active

View listing on r/WatchExchange

Omega Aqua Terra OEM blue rubber strap with deployant and end links

Omega - Aqua Terra 41mm teak dial version · $475

This Omega Aqua Terra is a 41mm watch featuring a teak dial, and comes with an OEM blue rubber strap and deployant.

Condition: near mint
Strap Type: blue rubber
Deployant: yes
End Links: yes

Posted at

Mar 14, 2026, 3:43 PM

Active

View listing on r/WatchExchange

Price Drop – Omega Aqua Terra Green Teak Dial – 2025 Full Set (6 months old) – $4699 shipped OBO

Omega - 220.10.41.21.10.001 · $4,699

The Omega Aqua Terra features a stunning green teak dial, which shifts between deep forest and vibrant green depending on lighting. The horizontal teak pattern inspired by luxury yacht decking adds incredible depth and texture to the watch.

Condition: Excellent overall condition
Age: about 6 months old
Dial color: green teak dial with color shift depending on lighting
Movement: Co-Axial Master Chronometer movement

Posted at

Mar 14, 2026, 12:40 AM

Active

View listing on r/WatchExchange

Omega Seamaster Aqua Terra Day-Date 231.10.42.22.01.001 – Full Kit – $3250

Omega - 231.10.42.22.01.001 · $3,250

Aqua Terra Day-Date watch featuring a black teak-pattern dial, day window at 12, and date at 6, with a stainless steel case and automatic Co-Axial movement.

Condition: Very good condition, with one small surface mark on the case side
Case size: 41.5mm
Water resistance: 150m / 500ft
Movement: Calibre 8602 Co-Axial automatic

Posted at

Mar 13, 2026, 9:49 PM

Active

View listing on r/WatchExchange

OMEGA Seamaster Aqua Terra Worldtimer "Summer Blue" Ref. 220.10.43.22.03.002 - ULTIMATE SET! 🔥$9,600🔥

OMEGA - 220.10.43.22.03.002 · $9,600

The OMEGA Seamaster Aqua Terra Worldtimer Ref. 220.10.43.22.03.002 is a sophisticated travel companion that puts the world on your wrist. Part of the 'Summer Blue' collection, it features a 43mm stainless steel case and a dial that captures the essence of a perfect day at sea.

Condition: VERY GOOD - Some light scratches on case and bracelet.
Case Size: 43mm
Bracelet Size: 7"
Box Papers: Yes

Posted at

Mar 13, 2026, 8:21 PM

Active

View listing on r/WatchExchange

OMEGA Seamaster Aqua Terra 150M Terracotta Ref. 220.10.38.20.13.003 - ULTIMATE SET! 🔥$6,100🔥

OMEGA - 220.10.38.20.13.003 · $6,100

The OMEGA Seamaster Aqua Terra Ref. 220.10.38.20.13.003 features a 38mm stainless steel case, Terracotta dial with rhodium-plated hands and indexes filled with white Super-LumiNova, and is powered by the Co-Axial Master Chronometer Calibre 8800.

Condition: UNWORN
Case size: 38mm
Bracelet links: pre-sized for a ~7" wrist
Contents: ULTIMATE SET, including box, papers, serial hang tag, spare links, shipping coffin, and digital copy of original purchase receipt

Posted at

Mar 13, 2026, 8:19 PM

Active

View listing on r/WatchExchange