Omega Aqua Terra Seamaster Aqua Terra 150M Co-Axial 30 Red Gold / Diamond / MOP / Bracelet

Reference 231.55.30.20.55.001

Omega Seamaster Aqua Terra 150M Co-Axial 30 Red Gold / Diamond / MOP / Bracelet

About this watch

The Omega Seamaster Aqua Terra 150M Co-Axial 30 is a masterpiece of horological innovation, blending advanced technology with luxurious design. Its self-winding Caliber 8521 movement boasts precision and reliability thanks to its Co-Axial Escapement, ensuring accuracy and longevity. The watch's red gold case is durable and visually stunning, complemented by a mother of pearl dial that shimmers with iridescent quality. Diamond-set bezel and indexes add opulence without excess, while the 30mm diameter makes it perfect for smaller wrists. A water resistance of 150 meters ensures durability in wet conditions, making it ideal for active lifestyles. The watch's Geneva waves in arabesque finish speak to Omega's commitment to aesthetic excellence, making the movement as visually appealing as it is functional. With a power reserve of up to 50 hours and an automatic winding capability, this timepiece delivers on both form and function.

Buy Now on Jomashop

This is an affiliate link

Key Features

Self-winding Caliber 8521 movement
Co-Axial Escapement for improved accuracy and longevity
Red gold case with durable and visually stunning design
Mother of pearl dial with iridescent quality
Diamond-set bezel and indexes for added opulence
Water resistance of 150 meters for durability in wet conditions
Power reserve of up to 50 hours with automatic winding capability

Specifications

Brand

Omega

Family

Aqua Terra

Model

Seamaster Aqua Terra 150M Co-Axial 30 Red Gold / Diamond / MOP / Bracelet

Reference

231.55.30.20.55.001

Movement

8521

Movement Features

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

Case

Red Gold 30mm

Dial Color

White

Crystal

Sapphire

Water Resistance

150

Current Listings

Omega Seamaster Aqua Terra – Annual Calendar – 38.5mm Blue Dial

Omega - 23110392203001 · $4,400

A versatile Omega Seamaster Aqua Terra Annual Calendar watch in blue dial with a 38.5mm stainless steel case, featuring an annual calendar complication and the Omega Co-Axial calibre 8601.

Condition: Excellent
Case size: 38.5mm diameter
Bracelet type: stainless steel bracelet
Clasp type: deployant clasp

Posted at

Feb 26, 2026, 11:31 AM

Active

View listing on r/WatchExchange

Omega Seamaster Aqua Terra Worldtimer Ref: 220.10.43.22.03.001 - Full set

Omega - 220.10.43.22.03.001 · $6,998

This Omega Seamaster Aqua Terra Worldtimer features a laser-engraved map of the world at the center of the dial, allowing you to keep track of timezones across the globe.

Condition: Excellent pre-owned condition
Bezel damage: small fleabite at 6:00
Bracelet condition: super clean

Posted at

Feb 25, 2026, 6:18 PM

Active

View listing on r/WatchExchange

Omega Seamaster Aqua Terra - Black 39mm - 2503.50 - $2,595 Shipped!

Omega - 2503.50 · $2,595

The Omega Seamaster Aqua Terra is a great piece for any collection, with a size of 39mm.

Condition: Pre-owned, minor wear
Size: 39mm diameter

Posted at

Feb 25, 2026, 5:00 PM

Active

View listing on r/WatchExchange

Omega Seamaster Aqua Terra 38.5MM “Blue Teak” 231.10.39.21.03.002 | 2020 Box and Papers

Omega - 231.10.39.21.03.002 · $3,999

2020 Omega Seamaster Aqua Terra 38.5MM 'Blue Teak' in excellent condition, with very slight wear.

Condition: Excellent Pre-Owned Condition
Service history: Unknown
Accuracy: +12 seconds per day
Amplitude: 340+

Posted at

Feb 24, 2026, 9:43 PM

Active

View listing on r/WatchExchange

Omega Aqua Terra 38m 4$250

Omega - Aqua Terra 38m 4$250 · $4,250

Less than a year old Omega Aqua Terra for sale, in good shape.

Condition: Good, with scratches on the crystal and a couple hairline scratches
Year of manufacture: less than a year old
Warranty: Jomashop warranty card
Box and accessories included: yes

Posted at

Feb 24, 2026, 1:56 PM

Active

View listing on r/WatchExchange

Omega Seamaster Aqua Terra 38mm Blue Dial Ref. 220.10.38.20.03.001 Full Set + Extras Very Good Condition

Omega - 220.10.38.20.03.001 · $4,350

For sale is an Omega Seamaster Aqua Terra, Ref: **220.10.38.20.03.001**, featuring the beautiful sunburst blue teak dial and stainless steel bracelet. This is a 2022 piece in very good overall condition, carefully worn and well maintained.

Condition: Very good
Diameter: 38mm
Set includes: Double box (inner & outer),Manuals,3 Omega cards (Pictograms, International Warranty, Master Chronometer),Omega presentation box,Omega white tag,Additional links for bracelet,AM leather strap,Omega travel case

Posted at

Feb 23, 2026, 11:19 PM

Active

View listing on r/WatchExchange

Omega Seamaster Aqua Terra 150m | Master Co-Axial | 41.5mm | 231.10.42.21.03.003 Blue

Omega - 231.10.42.21.03.003 · $3,350

This Omega Seamaster Aqua Terra Master Co-Axial features a blue dial and 41.5mm case size.

Case Size: 41.5mm
Bracelet Length: 7.25 inches

Posted at

Feb 23, 2026, 5:11 PM

Active

View listing on r/WatchExchange

Omega Seamaster Aqua Terra 150M 38.5mm Blue “Teak” Dial - James Bond Spectre| Ref.231.10.39.21.03.002 | Full Set | Mint Condition

Omega - 231.10.39.21.03.002 · $4,150

The Omega Seamaster Aqua Terra 150M reference 231.10.39.21.03.002 is a versatile watch that embodies the perfect blend of sportiness and refinement, featuring a stainless-steel case, bracelet with alternating brushed and polished surfaces, and a blue 'Teak-Concept' dial inspired by luxury sailboats.

Condition: Mint Condition
Case size: 38.5mm
Water resistance: 150m
Movement: Omega Co-Axial calibre 8500 (twin-barrel automatic)

Posted at

Feb 23, 2026, 1:33 AM

Active

View listing on r/WatchExchange