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

Reference 231.20.39.21.55.001

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

About this watch

The Omega Seamaster Aqua Terra 231.20.39.21.55.001 is a masterpiece of luxury watchmaking that combines elegance and robust functionality. Its Mother of Pearl dial changes hues with different lighting, adding an element of depth and intrigue. The combination of red gold and stainless steel gives it a luxurious feel, making it a statement piece for any outfit. At the heart of this magnificent watch lies the Omega caliber 8500, introduced in 2007, which has earned accolades for its reliability and precision. With a frequency of 25,200 vibrations per hour and a power reserve of up to 60 hours, it ensures your timepiece keeps ticking even after a weekend away from your wrist. The watch features a sapphire crystal resistant to scratches and impacts, ensuring that your watch remains pristine even after years of wear. Measuring 38.50 mm in diameter, this Omega watch fits comfortably on the wrist, striking a balance between being bold and understated.

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MSRP: $10,000

Market Price: $4,571

Key Features

Omega caliber 8500 movement
Mother of Pearl dial with changing hues
Sapphire crystal for scratch resistance
Water resistance of 150 meters
Red gold and stainless steel combination
Chronometer certified
Power reserve of up to 60 hours

Specifications

Brand

Omega

Family

Aqua Terra

Model

Seamaster Aqua Terra 150M Co-Axial 38.5 Stainless Steel / Red Gold / MOP / Bracelet

Reference

231.20.39.21.55.001

Movement

8500

Movement Features

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

Case

38.5mm

Dial Color

White

Crystal

Sapphire

Water Resistance

150

Current Listings

Omega Seamater Aqua Terra 38mm

Omega - Aqua Terra 38mm · $4,250

The Omega Seamaster Aqua Terra 38mm is a beautiful watch in good condition, featuring the Aqua Terra 38mm Watch Protection Film on the case and half of its metal bracelet for added scratch protection.

Condition: good pre-owned condition
Bracelet: metal
Strap: 6.75in blue rubber strap from StrapsCo
Box: Inner and Outer Box included

Posted at

Jan 11, 2026, 3:35 PM

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Omega Seamaster Aqua Terra 2023 41mm Grey 220.10.41.21.06.001 Full Set - $5,495

Omega - 220.10.41.21.06.001 · $5,495

Aqua Terra Grey watch in excellent condition, reference 220.10.41.21.06.001, from 2023.

Condition: Excellent condition with minimal signs of wear
Year: 2023
Case size: 41mm
Contents: Watch (full links),Inner & Outer Box,Card Holder,International Warranty Card,Master Chronometer Card,Pictograms Card

Posted at

Jan 11, 2026, 1:33 PM

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Omega Seamaster Aqua Terra 150M – Ref. 231.10.42.21.01.003 – 41.5mm – Box & Watch – $2999 Shipped

Omega - 231.10.42.21.01.003 · $2,999

The Omega Seamaster Aqua Terra 150M is a versatile everyday watch featuring a 41.5mm stainless steel case, black dial with teak-style vertical pattern, and date at 3 o'clock, powered by Omega's Master Co-Axial chronometer movement.

Condition: Good overall with light wear
Case size: 41.5mm diameter
Bracelet length adjustment: 7.4-inch wrist

Posted at

Jan 10, 2026, 9:24 PM

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Omega Seamaster Aqua Terra – Discontinued Black “Teak” Dial| 42mm Master Co- Axial | Reference: 231.10.42.21.01.003| Full Set

Omega - 231.10.42.21.01.003 · $4,250

A discontinued, classically styled Aqua Terra with the desirable black teak dial, powered by Omega’s robust Master Co-Axial technology. A versatile luxury sports watch equally at home with a suit or casual wear, and an excellent example of Omega’s technical evolution prior to the Master Chronometer era.

Condition: Very good overall condition
Diameter: 41.5mm
Water resistance: 150m / 500ft
Movement type: Master Co-Axial automatic movement

Posted at

Jan 10, 2026, 8:07 PM

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Omega Seamaster Aqua Terra 150M “Spectre” Blue Dial – 41.5mm|Ref: 231.10.42.21.03.003| Full Set | Mint Condition

Omega - 231.10.42.21.03.003 · $3,990

This highly sought-after Aqua Terra 'Spectre' configuration features a blue teak dial and in-house Calibre 8500, delivering reliable Co-Axial performance and strong wrist presence.

Condition: Excellent condition throughout
Case size: 41.5mm
Depth rating: 150m

Posted at

Jan 10, 2026, 6:02 PM

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