Omega Aqua Terra Seamaster Aqua Terra 150m Master Co-Axial 41.5 Stainless Steel / Red Gold / Silver / Bracelet

Reference 231.20.42.21.02.001

Omega Seamaster Aqua Terra 150m Master Co-Axial 41.5 Stainless Steel / Red Gold / Silver / Bracelet

About this watch

The Omega Seamaster Aqua Terra 150m Master Co-Axial is a stunning timepiece that exudes sophistication and technical prowess. This luxury watch boasts exceptional craftsmanship, combining stainless steel and red gold for a striking appearance. The round case diameter of 41.5 mm strikes a perfect balance between making a statement and being unobtrusive. The open case back reveals the intricate Omega caliber 8500 movement, which features a Co-Axial escapement that reduces friction and enhances longevity. With a water resistance of 150 meters, this watch is perfect for those who enjoy water sports or want peace of mind in wet conditions. The silver dial with red gold accents creates a striking yet elegant look, making it suitable for both formal and casual occasions.

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MSRP: $12,000

Market Price: $5,761

Key Features

Omega caliber 8500 movement
Stainless steel and red gold case
Sapphire glass
150 meters water resistance
60-hour power reserve
Co-Axial escapement
Silver dial with red gold accents

Specifications

Brand

Omega

Family

Aqua Terra

Model

Seamaster Aqua Terra 150m Master Co-Axial 41.5 Stainless Steel / Red Gold / Silver / Bracelet

Reference

231.20.42.21.02.001

Movement

8500

Movement Features

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

Case

41.5mm

Dial Color

Silver

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 $3,599.00

Omega - 231.10.42.21.02.002 · $3,599

A 2020 Omega Aqua Terra Captain's Watch in white and silver, featuring an automatic self-winding movement, 41.5mm case, and 150M water resistance.

Condition: fantastic condition with a few minor flaws on the case and box
Diameter: 41.5mm
Water Resistance: 150m
Movement: 8500 Caliber automatic self-winding movement

Posted at

Apr 15, 2026, 12:12 PM

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Omega Aqua Terra 41mm Black Lacquer Dial, $5200

Omega - 220.10.41.21.01.002 · $5,200

A Omega Aqua Terra with a black lacquer dial, available for sale.

Condition: Preowned
Shipping: $100 (USA)
Payment Methods: Wire,Credit Card
Warranty: 2025

Posted at

Apr 15, 2026, 10:30 AM

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Omega Seamaster Aqua Terra 231.10.39.21.01.001 Black Teak 38.5mm - $3,250

Omega - 231.10.39.21.01.001 · $3,250

Up for sale is my great condition Omega Seamaster Aqua Terra 231.10.39.21.01.001.

Condition: Very good condition for its age, minimal marks/hairlines on case, caseback, and bracelet
Movement: Automatic Omega Calibre 8500
Case size: 38.5mm
Bracelet material: Steel

Posted at

Apr 15, 2026, 4:35 AM

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Omega Aqua Terra 231.10.39 Cal 8500 38.5 mm - $2,650

Omega - 231.10.39 Cal 8500 · $2,650

Up for sale is my Omega Aqua Terra 231.10.39 Cal 8500. This watch measures at 39mm and has an OMEGA 8500 movement.

Condition: great condition, minimal marks on the case and bezel
Case size: 39mm
Movement: Calibre OMEGA 8500
Bracelet material: steel

Posted at

Apr 15, 2026, 4:33 AM

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Omega Aqua Terra 2503.30 39mm Champagne Dial Box and Papers - $2,350

Omega - 2503.30 · $2,350

Up for sale is my great condition Omega Seamaster 2503.30, measuring at 39mm with an automatic Omega Calibre 2500 movement.

Condition: Very good condition for its age with minimal marks/hairlines on the case, caseback, and bracelet
Diameter: 39mm
Movement: Omega Calibre 2500

Posted at

Apr 15, 2026, 4:25 AM

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Omega Seamaster Aqua Terra 150m Master Co-Axial Golf Edition (2020) Complete Kit With Extra Straps 220.12.41.21.01.002

Omega - 220.12.41.21.01.002 · $4,500

A fantastic, versatile watch with a sporty edge in the Omega Seamaster Aqua Terra Golf Edition.

Condition: Used, excellent condition
Case size: 41mm diameter
Water resistance: 150m depth rating
Movement: Omega Co-Axial Master Chronometer

Posted at

Apr 12, 2026, 2:19 AM

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2023 Omega Seamaster Aqua Terra Skyfall Blue 231.10.42.21.03.003 41.5mm Full Set - $4,995

Omega - 231.10.42.21.03.003 · $4,995

A 2023 Omega Seamaster Aqua Terra Skyfall Blue, a luxury watch featuring a 41.5mm case size.

Condition: Excellent condition with minimal signs of wear
Year: 2023
Size: 41.5mm diameter
Contents: Watch,Inner & Outer Box,Card Holder,International Warranty Card,Pictograms Card,Instructions Manual,Hang Tag

Posted at

Apr 11, 2026, 1:17 PM

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Omega Seamaster Aqua Terra 36mm Ref. 2504.50 | Great Condition | Inky Black Sunray Dial | Co-Axial Caliber 2500 | All Original | $2450 (SERVICED)

Omega - 2504.50 · $2,450

A modern classic with the soul of a Seamaster, this Omega Aqua Terra Ref. 2504.50 features a 36mm stainless steel case, inky black sunray dial, and Co-Axial Caliber 2500 movement.

Condition: Great Condition
Movement: Serviced Automatic Caliber 2500 (Co-Axial Chronometer)
Dial: Pristine Deep Black Sunray dial with applied indices
Case: Sharp Stainless Steel construction with original factory geometry, Diameter: 36.2 mm (excluding crown), Thickness: 11 mm, Lug-to-lug: 44 mm

Posted at

Apr 11, 2026, 10:47 AM

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Omega Aqua Terra 38 mm - original new bracelet

Omega - 020STZ006276 · $895

Aqua Terra 38mm watch with a new original bracelet, barely worn.

Condition: practically new
Width: 19mm
Location: Warsaw, Poland, EU

Posted at

Apr 11, 2026, 9:42 AM

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