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 Day-Date 231.10.42.22.01.001 – Full Kit – $3,750

Omega - 231.10.42.22.01.001 · $3,750

This Omega Seamaster Aqua Terra Day-Date features a black teak-pattern dial, day window at 12, and date at 6, powered by the in-house Caliber 8602 Co-Axial movement. The 41.5mm stainless steel case has a sapphire crystal and exhibition case back, offering 150m / 500ft water resistance.

Condition: Very good condition with normal light wear from use
Movement: Caliber 8602 Co-Axial
Case size: 41.5mm diameter
Water resistance: 150m / 500ft

Posted at

Jan 15, 2026, 2:35 PM

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Uncle Straps US 1450 Bracelet for Omega Aqua Terra 38

· $65

For sale is an Uncle Straps US 1450 Bracelt for the Omega Aqua Terra in great condition.

Condition: great
Brand: Uncle Straps
Model: US 1450
Size: fits 38mm

Posted at

Jan 15, 2026, 2:10 PM

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Omega Seamaster Aqua Terra – James Bond SkyFall – 38.5mm

Omega - 231.10.39.21.03.001 · $3,900

This Omega Seamaster Aqua Terra 150M 'SKYFALL' is a James Bond watch with a blue teak pattern dial, stainless steel case and bracelet. It features an Omega Co-Axial 8500 calibre automatic movement.

Condition: Excellent overall condition
Case diameter: 38.5mm
Movement type: Co-Axial automatic

Posted at

Jan 14, 2026, 10:38 PM

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Omega Aqua Terra Sandstone 220.10.38 38mm - $3,850

Omega - 220.10.38 · $3,850

Up for sale is my Omega Seamaster Aqua Terra ref. 220.10.38 in great condition with an OMEGA 8800 movement.

Condition: Great condition, minor marks on the case and crystal
Case size: 38mm diameter
Bracelet length compatibility: up to 7 inch wrists depending on wrist shape

Posted at

Jan 14, 2026, 9:17 PM

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Omega Aqua Terra 220.10.41 Black Dial 41mm Full Kit 2023 - $4,150

Omega - 220.10.41.21 · $4,150

Up for sale is a very good condition Omega Seamaster Aqua Terra with a 41mm case and Calibre OMEGA 8900 automatic movement.

Condition: Very good condition, minimal marks/hairlines on the case
Case size: 41mm
Movement type: Calibre OMEGA 8900
Water resistance: 150m

Posted at

Jan 14, 2026, 9:11 PM

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Omega Seamaster Aqua Terra 38mm 150M 220.12.38.20.01.001 No Box or Papers, Extra Alligator Leather Strap, Good Condition

Omega - 220.12.38.20.01.001 · $4,000

The Omega Seamaster Aqua Terra 38mm is a tribute to OMEGA’s rich maritime heritage, with a symmetrical stainless steel case and black dial featuring a horizontal “teak” pattern. It's powered by the OMEGA Master Chronometer calibre 8800, certified at the industry’s highest standard. The watch includes an extra authentic Omega Alligator leather strap.

Condition: Good, with a few scratches
Case diameter: 38mm
Water resistance: 150m (500ft)
Movement type: Self winding

Posted at

Jan 14, 2026, 2:22 PM

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