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 Aqua Terra 231.10.39 Cal 8500 38.5 mm Master Co-Axial Box and Papers - $3,250

Omega - 231.10.39.21.02.002 · $3,250

Up for sale is my Omega Aqua Terra 231.10.39 Cal 8500 watch in great condition. It measures 39mm with a steel case on original Omega steel bracelet.

Condition: Great condition, some minor marks on the case and caseback
Case size: 39mm
Movement: Calibre OMEGA 8500
Bracelet material: Steel

Posted at

May 5, 2026, 10:04 PM

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Omega Aqua Terra 2503.80 - 39mm - Blue Automatic

Omega - 2503.80 · $2,750

This Omega Aqua Terra Blue Automatic is a 39mm watch-only example in good condition.

Condition: Pre-owned, clean condition with light wear throughout
Size: 39mm diameter

Posted at

May 5, 2026, 5:37 PM

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2018 Omega Seamaster Aqua Terra 150M 38.5mm Teak - 231.10.39.21.02.001 - Box & Papers

Omega - 231.10.39.21.02.001 · $3,100

Aqua Terra in perfect size, suitable for everyday wear with any outfit.

Condition: Excellent condition
Case size: 38.5mm diameter

Posted at

May 5, 2026, 3:36 PM

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Omega Aqua Terra 2503.33.00 (39mm)

Omega - 2503.33.00 · $2,600

Up for sale is my Omega Aqua Terra that has been worn sparingly by me since I bought it on here back in 2022. It received a full service by Omega in May 2023.

Condition: Excellent, with normal signs of wear
Size: 39mm diameter
Hands included: 2 sets (blue original and silver replacement)
Original box: not included

Posted at

May 5, 2026, 12:14 PM

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