Omega Aqua Terra Seamaster Aqua Terra 150M Co-Axial 38.5 Annual Calendar Stainless Steel / Red Gold / Grey / Bracelet

Reference 231.20.39.22.06.001

Omega Seamaster Aqua Terra 150M Co-Axial 38.5 Annual Calendar Stainless Steel / Red Gold / Grey / Bracelet

About this watch

The Omega Seamaster Aqua Terra 150M Co-Axial 38.5 Annual Calendar is a masterpiece of luxury watchmaking, blending sophisticated design with exceptional technical excellence. Its stainless steel and red gold case exudes elegance, while the grey dial with contrasting stick and dot indexes provides a clean yet distinctive look. The self-winding Omega caliber 8601 movement boasts an impressive 60 hours of power reserve and features an annual calendar function, allowing you to set it only once a year. With a water resistance of up to 150 meters, this watch is perfect for both formal and casual occasions. Its comfortable bracelet with adjustability ensures a snug fit on your wrist, making it suitable for everyday wear. As a certified chronometer, the Aqua Terra undergoes rigorous testing for accuracy and precision, guaranteeing exceptional timekeeping. Whether you're looking to invest in a quality watch or simply want to own a piece of horological history, the Omega Seamaster Aqua Terra 150M is an outstanding choice.

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MSRP: $13,800

Market Price: $5,140

Key Features

Omega caliber 8601 self-winding movement
Annual calendar function with date and month display
Water resistance up to 150 meters
Certified chronometer for accuracy and precision
Comfortable stainless steel/red gold bracelet with adjustability
Grey dial with contrasting stick and dot indexes
Stainless steel/red gold case diameter: 38.50 mm

Specifications

Brand

Omega

Family

Aqua Terra

Model

Seamaster Aqua Terra 150M Co-Axial 38.5 Annual Calendar Stainless Steel / Red Gold / Grey / Bracelet

Reference

231.20.39.22.06.001

Movement

8601

Movement Features

Hours, Minutes, Seconds
Date, Annual Calendar, Month
Chronometer, Co-Axial Escapement

Case

38.5mm

Dial Color

Grey

Crystal

Sapphire

Water Resistance

150

Current Listings

2020 Omega Aqua Terra Captain’s Watch White/silver 6/20 Ref# 231.10.42.21.02.002 $3,299.00

Omega - 231.10.42.21.02.002 · $3,299

A 2020 Omega Aqua Terra Captain's Watch in white/silver, featuring a silvery white dial with Teak pattern and automatic self-winding movement.

Condition: Fantastic condition, with minor hairlines on the polished bezel and links.
Case size: 41.5mm
Water resistance depth rating: 150m
Movement caliber: 8500 Caliber

Posted at

Apr 22, 2026, 12:33 PM

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Omega Seamaster Aqua Terra Black Teak (full set)

Omega - Aqua Terra · $3,800

This Omega Seamaster Aqua Terra is a black Teak variant that comes with a full set of accessories. It features an alligator leather deployant strap and has been worn daily since purchase.

Condition: Minor wear
Strap: black Northstar sailcloth with grey stitching, alligator leather deployant strap

Posted at

Apr 22, 2026, 9:26 AM

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Omega Seamaster Aqua Terra Railmaster 2504.52 — $6800— Catch & Release, Serviced by Omega, Full Set

Omega - 2504.52 · $6,800

This Omega Seamaster Aqua Terra Railmaster is a 36mm stainless steel watch featuring a black dial, automatic movement, and an Omega 1575 stainless steel bracelet.

Condition: Excellent, minimal wear
Case material: Stainless steel
Diameter: 36mm
Lug width: 19mm

Posted at

Apr 22, 2026, 12:40 AM

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2019 Omega Seamaster Aqua Terra 150M 38.5mm Black dial Steel bracelet

Omega - 231.10.39.22.01.001 · $4,400

The Omega Seamaster Aqua Terra 150M Annual Calendar is a stainless steel watch with a black dial and Co-Axial escapement. It features an annual calendar complication, automatic date correction for March, and is COSC chronometer certified.

Condition: Great condition, minor flaws not visible to the eye
Case size: 38.5mm
Dial color: black
Water resistance: 150M

Posted at

Apr 21, 2026, 10:55 PM

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Omega Aqua Terra 2503.80 Cal 2500 39mm Blue Dial - $2,490

Omega - 2503.80 · $2,490

Up for sale is my Omega Aqua Terra 2503.80 in great condition with a Calibre OMEGA 2500 Automatic movement and measuring at 39 mm.

Condition: great condition, minimal marks on case and bracelet
Case size: 39mm diameter
Bracelet type: original Omega steel bracelet
Movement type: Calibre OMEGA 2500 Automatic

Posted at

Apr 21, 2026, 9:04 PM

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Omega Aqua Terra White Co-Axial 231.10.39 38.5 mm - $2,650

Omega - 231.10.39.21.02.00 · $2,650

The Omega Seamaster Aqua Terra White Co-Axial is a 38.5mm watch with an automatic Calibre OMEGA 8500 movement.

Condition: Great condition, minimal marks/hairlines on the case and sapphire crystal smudging/scratches on the AR coating
Case size: 38.5 mm
Movement: Calibre OMEGA 8500 automatic movement
Water resistance: 150m

Posted at

Apr 21, 2026, 9:01 PM

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Omega Seamaster Aqua Terra Skyfall 231.10.39 38.5mm - $3,450

Omega - 231.10.39.21.03.001 · $3,450

The Omega Seamaster Aqua Terra 'Skyfall' features a Calibre OMEGA 8500 automatic movement in a 39mm steel case with original AT bracelet and presentation box. It has a sapphire crystal and datewheel, with all functions working well.

Condition: great condition
Case size: 39mm
Movement type: automatic
Water resistance: 150m

Posted at

Apr 21, 2026, 8:56 PM

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Omega Seamaster Aqua Terra 231.10.39 38.5mm Quartz Grey Teak - $1,950

Omega - 231.10.39 · $1,950

This Omega Seamaster Aqua Terra is a quartz watch with a 38.5mm steel case and original AT bracelet. It features a one-liner dial and printed indices, as well as sapphire crystal protection.

Condition: Great condition
Case material: Steel
Bracelet type: Original steel Omega steel bracelet
Crystal type: Sapphire crystal

Posted at

Apr 21, 2026, 8:50 PM

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