Omega Aqua Terra Seamaster Aqua Terra 150M Co-Axial 30 Stainless Steel / Red Gold / MOP

Reference 231.23.30.20.55.001

Omega Seamaster Aqua Terra 150M Co-Axial 30 Stainless Steel / Red Gold / MOP

About this watch

The Omega Seamaster Aqua Terra 150M Co-Axial 30 (model 231.23.30.20.55.001) is a testament to Omega's reputation for luxury and performance, merging functionality with elegance. The watch features a stunning mother-of-pearl dial, reliable automatic movement, and impressive water resistance of 150 meters. The combination of stainless steel and red gold creates a striking contrast, while the mother-of-pearl dial adds an element of luxury and sophistication. With its Co-Axial escapement and chronometer certification, this watch is built to perform beautifully for years to come. Whether you're diving, swimming, or simply caught in a rain shower, this watch is more than capable of handling various environments. The robust sapphire crystal adds an extra layer of protection against scratches, ensuring that your watch maintains its beauty over time. With a diameter of just 30 mm, the Omega Seamaster Aqua Terra is designed to fit comfortably on various wrist sizes, making it versatile enough to suit any occasion.

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Key Features

Omega caliber 8520 automatic movement
150 meters water resistance
Mother-of-pearl dial with gem-set indexes and arrow-shaped hands
Stainless steel and red gold construction
Chronometer certification
Co-Axial escapement for reduced friction and increased longevity
Robust sapphire crystal for scratch protection

Specifications

Brand

Omega

Family

Aqua Terra

Model

Seamaster Aqua Terra 150M Co-Axial 30 Stainless Steel / Red Gold / MOP

Reference

231.23.30.20.55.001

Movement

8520

Movement Features

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

Case

30mm

Dial Color

White

Crystal

Sapphire

Water Resistance

150

Current Listings

Omega Seamaster Aqua Terra Worldtimer – Blue Strap – Ref. 220.10.43.22.03.001 – Unworn 2025 – $8,490 + Shipping

Omega - 220.10.43.22.03.001 · $8,490

A new, unworn Omega Seamaster Aqua Terra Worldtimer featuring a striking blue dial and matching blue strap.

Condition: New / Unworn
Case size: 43mm diameter
Water resistance: 150m depth rating
Power reserve: 60-hour power reserve

Posted at

Feb 16, 2026, 9:17 PM

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Omega Aqua Terra 36mm - Blue Dial - Quartz - 2518.80 - Price Reduced!

Omega - 2518.80 · $1,695

A beautiful Omega Seamaster Aqua Terra Blue, 36mm in size, with a stunning blue dial.

Condition: Good overall condition, minimal wear
Size: 36mm diameter
Movement type: Quartz

Posted at

Feb 16, 2026, 2:22 PM

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

Omega - 231.10.42.21.03.003 · $3,499

This listing is for an Omega Seamaster Aqua Terra Master Co-Axial, a blue-coloured watch with a 41.5mm case size.

Bracelet Length: 7.25"

Posted at

Feb 16, 2026, 1:26 PM

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Omega Seamaster Aqua Terra Ref. 231.10.42.21.03.003 Excellent Condition

Omega - 231.10.42.21.03.003 · $4,299

The Omega Seamaster Aqua Terra reference 231.10.42.21.03.003 is a versatile watch that combines sport and elegance, featuring a teak-pattern dial and sapphire display caseback.

Condition: Excellent pre-owned condition
Case diameter: 42mm
Movement: Omega Co-Axial automatic

Posted at

Feb 15, 2026, 9:22 PM

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Omega Seamaster Aqua Terra Blue Dial - 36mm - 2504.80 - Clean!

Omega - 2504.80 · $2,595

This Omega Seamaster Aqua Terra features a navy blue sunburst dial and is powered by Omega's Co-Axial automatic movement, housed in a 36.2mm case.

Condition: Excellent overall condition, minimal wear
Case diameter: 36.2mm
Crystal type: domed sapphire crystal with anti-reflective coating
Bracelet material: stainless steel

Posted at

Feb 15, 2026, 5:50 PM

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Omega Seamaster Aqua Terra - ‘Blue Wave’ Gold Accents - Complete Set

Omega - 23110422103006 · $5,250

The Omega Seamaster Aqua Terra 150M 'Blue Wave Dial' is a striking Aqua Terra released for a very short period in limited production, featuring a blue dial with a wave pattern and 18K yellow gold accents.

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

Posted at

Feb 15, 2026, 4:28 PM

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Omega Seamaster Aqua Terra Quartz - 38.5mm - 231.10.39.60.02.001 - Price Reduced!

Omega - 231.10.39.60.02.001 · $1,950

This Omega Seamaster Aqua Terra Quartz is a simple yet elegant watch with a Caliber 4564 quartz movement and 38.5mm case, perfect for those who want a proven brand without the expense of an automatic movement.

Case size: 38.5mm
Movement type: quartz
Bracelet type: original

Posted at

Feb 15, 2026, 1:49 PM

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2025 Omega Aqua Terra 38m

Omega - Aqua Terra 38mm · $4,750

This is a 2025 Omega Aqua Terra 38mm watch for sale. It's less than a year old and comes in good shape.

Condition: Good, with scratches on crystal and hairline scratches
Case size: 38mm diameter
Year: 2025
Box and papers included: Yes

Posted at

Feb 14, 2026, 10:34 PM

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Omega Seamaster Aqua Terra – James Bond SkyFall – 38.5mm

Omega - 231.10.39.21.03.001 · $4,000

This Omega Seamaster Aqua Terra 'SKYFALL' is a James Bond edition watch with a blue teak dial as seen in the SkyFall scenes, featuring an automatic movement and stainless steel case.

Condition: Excellent
Movement: Omega Co-Axial 8500 calibre automatic movement
Case size: 38.5mm diameter
Water resistance: 150m

Posted at

Feb 14, 2026, 6:22 PM

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