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 Seamaster Aqua Terra - Silver Wave - 2024

Omega - 23110422102006 · $4,350

Aqua Terra 'Silver Wave' watch featuring a silver wave pattern dial, rhodium-plated hands and indexes in a 41.5mm stainless steel case.

Case size: 41.5mm
Water resistance: 150M / 15 bar
Power reserve: 60 hours

Posted at

Jan 4, 2026, 12:37 PM

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Omega Seamaster Aqua Terra Blue Teak Dial 231.10.42.21.03.003 – Worn by 007 James Bond in Spectre & No Time to Die

Omega - 231.10.42.21.03.003 · $4,200

This Omega Seamaster Aqua Terra features a blue teak-patterned dial that changes shades depending on light. It is powered by the Master Co-Axial movement and has been featured in two James Bond films.

Condition: Pre-owned with scratches, scuffs/dings on the case, bezel, and bracelet; some end-link gap play
Movement: Master Co-Axial
Diameter: 41.5mm

Posted at

Jan 3, 2026, 7:26 PM

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2025 Omega Aqua Terra 150M 41mm Turquoise Gradient, Ceramic Bezel (220.32.41.21.03.001)

Omega - 220.32.41.21.03.001 · $6,300

The Omega Aqua Terra is a tribute to the brand's maritime heritage, featuring a symmetrical stainless-steel case with a brushed ceramic bezel and a wave-edged screw-in caseback. The watch boasts a lacquered turquoise dial with a black gradient effect and facetted hands.

Condition: Excellent plus condition
Case material: stainless steel
Bezel material: ceramic
Diameter: 41mm

Posted at

Jan 3, 2026, 2:06 PM

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Omega Seamaster Aqua Terra 150m | Calibre 8500 Co-Axial | 231.10.39.21.06.001

Omega - 231.10.39.21.06.001 · $2,850

This Omega Seamaster Aqua Terra features a Calibre 8500 Co-Axial movement and is water resistant up to 150m.

Calibre: Calibre 8500 Co-Axial
Bracelet length: 7.25 inches
Case size: 38.5mm

Posted at

Jan 3, 2026, 12:25 PM

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Omega Seamaster Aqua Terra 150m | Calibre 8500 Co-Axial | 231.10.39.21.01.001

Omega - 231.10.39.21.01.001 · $2,850

This Omega Seamaster Aqua Terra features a Calibre 8500 Co-Axial movement, a 38.5mm case, and a 7.25 inch bracelet.

Case size: 38.5mm diameter
Water resistance: 150m

Posted at

Jan 3, 2026, 11:36 AM

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OMEGA Seamaster Aqua Terra Worldtimer "Summer Blue" Ref. 220.10.43.22.03.002 - ULTIMATE SET!

OMEGA - 220.10.43.22.03.002 · $10,250

The OMEGA Seamaster Aqua Terra Worldtimer is a sophisticated travel companion that features a 43mm stainless steel case, dial with laser-ablated texture, 24-hour glass ring, and powered by the Master Chronometer Calibre 8938.

Condition: [VERY GOOD] Some light scratches on case and bracelet.
Case size: 43mm diameter
Bracelet size: ~7"

Posted at

Jan 3, 2026, 4:25 AM

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OMEGA Seamaster Aqua Terra 150M Terracotta Ref. 220.10.38.20.13.003 - ULTIMATE SET!

OMEGA - 220.10.38.20.13.003 · $6,500

The OMEGA Seamaster Aqua Terra Ref. 220.10.38.20.13.003 features a Terracotta dial, symmetrical case design and rhodium-plated hands.

Condition: UNWORN
Case size: 38mm
Bracelet length: ~7 inches pre-sized

Posted at

Jan 3, 2026, 3:31 AM

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Omega Seamaster Aqua Terra Black Lacquer 41mm | Day 9/12 | 12 Days of Christmas🎄

Omega - 22010412101002 · $4,900

The Omega Aqua Terra 41 is a versatile watch that embodies quiet strength and everyday balance, designed for real life with a high-gloss black dial and exceptional wearability.

Movement: Omega Co-Axial Master Chronometer calibre 8900 automatic
Case size: 41mm
Material: stainless steel

Posted at

Jan 2, 2026, 10:09 PM

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