Omega Aqua Terra Seamaster Aqua Terra 150m Master Co-Axial 38.5 Stainless Steel / Yellow Gold / Silver

Reference 231.23.39.21.02.002

Omega Seamaster Aqua Terra 150m Master Co-Axial 38.5 Stainless Steel / Yellow Gold / Silver

About this watch

The Omega Seamaster Aqua Terra 150m Master Co-Axial 38.5 is a masterpiece of horology, blending elegance with robust functionality. With its exquisite design, impressive technical specifications, and reputation that precedes it, this watch is more than just a pretty face. The combination of yellow gold and stainless steel creates a rich visual appeal, while the silver dial adorned with stick and dot indexes adds to its refined look. The sapphire glass ensures durability and scratch resistance, making this beauty perfect for everyday wear. At the core lies the Omega caliber 8500, introduced in 2007, a true marvel of engineering offering precision and reliability. The Co-Axial escapement reduces friction between components, enhancing the longevity of the movement. This watch doesn't just keep time; it does so with remarkable precision, marked as a chronometer for meeting high standards of accuracy.

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MSRP: $7,750

Market Price: $3,999

Key Features

Yellow gold and stainless steel combination
Sapphire crystal glass
Omega caliber 8500 movement
Co-Axial escapement
Chronometer certified
150m water resistance
38.5mm diameter

Specifications

Brand

Omega

Family

Aqua Terra

Model

Seamaster Aqua Terra 150m Master Co-Axial 38.5 Stainless Steel / Yellow Gold / Silver

Reference

231.23.39.21.02.002

Movement

8500

Movement Features

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

Case

38.5mm

Dial Color

Silver

Crystal

Sapphire

Water Resistance

150

Current Listings

Omega Aqua Terra Shades - 38mm Sandstone - 220.10.38.20.09.001 - Price Reduced!

Omega - 220.10.38.20.09.001 · $3,850

This Omega Seamaster Aqua Terra Shades features a stunning dial and is running exceptionally well at +1 second/day.

Condition: lightly pre-owned with light, normal wear throughout
Size: 38mm diameter
Movement performance: +1 second/day, 300+ amplitude

Posted at

Mar 18, 2026, 5:26 PM

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Omega 2504.50 36mm Black Dial Aqua Terra Watch Only $2,400

Omega - 2504.50 · $2,400

Selling my Omega Aqua Terra Watch Only, 36mm black dial.

Condition: pre-owned, polished
Case size: 36mm diameter
Bracelet length: 18cm

Posted at

Mar 18, 2026, 1:54 PM

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Omega Seamaster Aqua Terra Day-Date 231.10.42.22.01.001 – Full Kit – $3250

Omega - 231.10.42.22.01.001 · $3,250

The Omega Seamaster Aqua Terra Day-Date features a black teak-pattern dial with day window at 12 and date at 6. It has a 41.5mm stainless steel case with Calibre 8602 Co-Axial movement.

Condition: Overall very good condition
Case size: 41.5mm
Movement: Calibre 8602 Co-Axial automatic movement
Water resistance: 150m / 500ft

Posted at

Mar 16, 2026, 4:23 PM

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Omega Seamaster Aqua Terra 150m - Grey Dial - 41mm - 220.12.41.21.02.002

Omega - 220.12.41.21.02.002 · $5,450

Omega Seamaster Aqua Terra 150m features a grey dial and a 41mm case.

Condition: Fantastic condition with minor hairlines
Depth rating: 150m
Diameter: 41mm

Posted at

Mar 16, 2026, 11:11 AM

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Omega Seamaster Aqua Terra – 'Blue Wave’ – Gold Accents – Box & Papers

Omega - 23110422103006 · $4,950

A striking Aqua Terra released for a very short period in limited production, featuring a blue dial with wave pattern and 18K yellow gold details.

Condition: Excellent all-around condition
Case size: 41.5mm
Water resistance: 150M / 15 bar
Movement: Omega Master Co-Axial calibre 8500

Posted at

Mar 15, 2026, 4:11 PM

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Omega Seamaster Aqua Terra Worldtimer “Summer Blue”

Omega - 220.10.43.22.03.002 · $8,750

This Omega Seamaster Aqua Terra Worldtimer features a stunning 'Summer Blue' dial with a laser-ablated topographic map of the continents, powered by the Omega Co-Axial Master Chronometer Caliber 8938. This watch allows you to track time across the globe while maintaining everyday wearability.

Condition: Brand new old stock and unworn
Case size: 43mm
Movement caliber: Omega Co-Axial Master Chronometer Caliber 8938
Complications: Worldtimer

Posted at

Mar 15, 2026, 1:55 PM

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Omega Seamaster Aqua Terra 150m 38mm. Ref 220.12.38.20.02.001

Omega - 220.12.38.20.02.001 · $4,600

Selling an Omega Seamaster Aqua Terra 150m 38mm, under warranty until July 2028.

Condition: Minor wear on the sides
Water Resistance: 150m
Warranty: until July 2028

Posted at

Mar 15, 2026, 10:39 AM

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Omega Aqua Terra OEM blue rubber strap with deployant and end links

Omega - Aqua Terra 41mm teak dial version · $475

This Omega Aqua Terra is a 41mm watch featuring a teak dial, and comes with an OEM blue rubber strap and deployant.

Condition: near mint
Strap Type: blue rubber
Deployant: yes
End Links: yes

Posted at

Mar 14, 2026, 3:43 PM

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Omega Seamaster Aqua Terra Day-Date 231.10.42.22.01.001 – Full Kit – $3250

Omega - 231.10.42.22.01.001 · $3,250

Aqua Terra Day-Date watch featuring a black teak-pattern dial, day window at 12, and date at 6, with a stainless steel case and automatic Co-Axial movement.

Condition: Very good condition, with one small surface mark on the case side
Case size: 41.5mm
Water resistance: 150m / 500ft
Movement: Calibre 8602 Co-Axial automatic

Posted at

Mar 13, 2026, 9:49 PM

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View listing on r/WatchExchange