Omega Aqua Terra Seamaster Aqua Terra 150M Co-Axial 38.5 Stainless Steel / Diamond / Black

Reference 231.18.39.21.51.001

Omega Seamaster Aqua Terra 150M Co-Axial 38.5 Stainless Steel / Diamond / Black

About this watch

The Omega Seamaster Aqua Terra is a masterpiece of horological innovation, seamlessly blending elegance with performance. This stunning timepiece boasts an automatic Omega caliber 8500 movement, providing 60 hours of power reserve and a Master Co-Axial Chronometer designation for exceptional precision and performance. The case is crafted from high-quality stainless steel, resistant to corrosion and wear, while the diamond-set bezel adds a touch of luxury without being overly ostentatious. With its impressive water resistance of 150 meters, this watch is versatile enough for swimming, snorkeling, and everyday wear. Whether you're looking for a professional or laid-back vibe, the Aqua Terra's design allows it to transition seamlessly between different settings, making it the perfect addition to any luxury watch collection.

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Key Features

Omega caliber 8500 automatic movement
60 hours of power reserve
Master Co-Axial Chronometer designation
Stainless steel case with diamond-set bezel
150 meters water resistance
Sapphire crystal glass for scratch resistance and clarity
Black dial with stick and dot indexes

Specifications

Brand

Omega

Family

Aqua Terra

Model

Seamaster Aqua Terra 150M Co-Axial 38.5 Stainless Steel / Diamond / Black

Reference

231.18.39.21.51.001

Movement

8500

Movement Features

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

Case

Stainless Steel 38.5mm

Dial Color

Black

Crystal

Sapphire

Water Resistance

150

Current Listings

Omega Seamaster Aqua Terra 41.5mm 231.10.42.21.03.003 | 2023 Box and Papers

Omega - 231.10.42.21.03.003 · $4,350

2023 Omega Seamaster Aqua Terra 41.5mm watch in very good condition. The watch has a slight wear on the polished parts of the case, bezel, and bracelet, as well as a tiny ding by 8 o'clock on the bezel.

Condition: Great Pre-Owned Condition with slight wear on polished parts and a tiny ding by 8 o'clock on bezel
Case Size: 41.5mm
Bracelet Links: 15.5 Links
Serviced: Unknown

Posted at

Mar 7, 2026, 4:30 PM

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Omega Seamaster Aqua Terra Black $4000

Omega - Aqua Terra Black · $4,000

Posted at

Mar 7, 2026, 10:49 AM

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Omega Seamaster Aqua Terra – Ref 231.23.39.21.06.001 – 2012 Full Set

Omega - 231.23.39.21.06.001 · $7,900

This Aqua Terra presents exceptionally well overall, with a stainless steel case and a distinctive feature of a solid 18k gold bezel paired with matching gold hands and crown.

Condition: Very good condition
Case size: 39mm diameter
Year of manufacture: 2012
Movement type: Co-Axial automatic

Posted at

Mar 7, 2026, 9:58 AM

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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

The Omega Seamaster Aqua Terra 150m features a blue dial and a 41.5mm case, along with a Master Co-Axial movement.

Depth rating: 150m
Bracelet length: 7.25 inches

Posted at

Mar 7, 2026, 9:12 AM

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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 'Summer Blue' is a sophisticated travel companion that puts the world on your wrist, featuring a 43mm stainless steel case and a dial with a laser-ablated Earth design surrounded by a 24-hour glass ring indicating day and night.

Condition: VERY GOOD - some light scratches on case and bracelet
Case size: 43mm
Bracelet length: ~7 inches

Posted at

Mar 6, 2026, 8:19 PM

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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 Terracotta dial with a symmetrical case design, powered by the Co-Axial Master Chronometer Calibre 8800.

Condition: UNWORN
Diameter: 38mm
Case material: stainless steel

Posted at

Mar 6, 2026, 8:16 PM

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Omega Aqua Terra rubber strap with deployant and end links, 20mm, OEM

Omega - Aqua Terra (no model number provided) · $525

This listing is for an OEM Omega Aqua Terra 20mm blue rubber strap with deployant and end links. It fits the 41mm teak dial version and is in outstanding condition.

Condition: near mint
Material: rubber
Size: 20mm (strap width)
Style: teak dial

Posted at

Mar 6, 2026, 2:24 PM

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