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 - Black 39mm - 2503.50

Omega - 2503.5 · $2,750

A 39mm Omega Seamaster Aqua Terra in black, with minor wear throughout and a small mark on the bezel/crystal near the 12 o'clock marker.

Condition: Pre-owned, minor wear throughout
Size: 39mm diameter
Bezel mark: small mark on bezel/crystal near the 12 o'clock marker

Posted at

May 11, 2026, 5:33 PM

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Omega Seamaster Aqua Terra Rose Gold 38mm with box and papers

Omega - 220.20.38.20.02.001 · $8,000

This Omega Seamaster Aqua Terra is a 38mm rose gold watch with a clean and balanced design, featuring stainless steel and rose gold accents that add depth and elegance.

Condition: Excellent
Case Size: 38mm diameter
Year: 2021 (dated December)
Box And Papers: complete set including warranty card, booklets, cloth bag, and all links

Posted at

May 11, 2026, 11:06 AM

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Omega Aqua Terra 2504.50 36mm First Gen Automatic $2,500 (Recently Serviced)

Omega - 2504.50 · $2,500

The Omega Aqua Terra is a first-generation automatic watch with a 36mm case size, powered by the 2500B movement.

Condition: Excellent condition, freshly polished
Movement: 2500B
Size: 36mm diameter
Length of strap: up to 18.5cm

Posted at

May 11, 2026, 9:00 AM

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Omega Seamaster Aqua Terra 220.10.41.21.06.001 41mm Automatic Grey Dial Full Set

Omega - 220.10.41.21.06.001 · $4,995

This Omega Seamaster Aqua Terra is a 41mm stainless steel automatic watch with a grey teak dial, accompanied by its original outer box, inner box, and undated warranty card.

Condition: Very good
Movement: Automatic
Case size: 41mm diameter
Bracelet material: Stainless steel

Posted at

May 11, 2026, 8:54 AM

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Omega Seamaster Aqua Terra 150m, 41mm (Ref: 220.10.41.21.02.004) Small Seconds - $4500 USD Shipped

Omega - 220.10.41.21.02.004 · $4,500

This Omega Seamaster Aqua Terra 150M is a 41mm watch with a silver dial and blue accents, featuring small seconds.

Condition: lightly used with minor wear
Case diameter: 41mm
Water resistance: 150m

Posted at

May 11, 2026, 3:33 AM

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OMEGA Seamaster Aqua Terra “Shades” 38mm 220.20.38.20.02.002 Two Tone “Moonshine” Gold Complete Set

OMEGA - 220.20.38.20.02.002 · $9,650

The OMEGA Seamaster Aqua Terra 'Shades' is a limited edition watch released in 2024, featuring a 38mm case, two-tone bracelet, and sunburst silver dial. It's powered by the Co-Axial Master Chronometer 8800 movement and comes with a factory warranty until 2029.

Condition: Excellent pre-owned condition
Case size: 38mm
Case material: Stainless Steel / 18k Moonshine Gold
Bezel material: 18k Moonshine Gold

Posted at

May 10, 2026, 11:43 PM

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Omega Seamaster Aqua Terra 2504.50 36mm - $2,390

Omega - 2504.50.00 · $2,390

Up for sale is my Omega Seamaster Aqua Terra 2504.50.00 in great shape, featuring an automatic movement and measuring 36mm.

Condition: 8.9/10
Movement: automatic
Bracelet: original Omega Steel
Case size: 36mm

Posted at

May 10, 2026, 9:06 PM

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Omega Aqua Terra 8800 - 38mm - Lacquer Black - 220.10.38.20.01.004 ( new )

Omega - 220.10.38.20.01.004 · $5,750

Up for sale is a brand new Omega Aqua Terra 8800 38mm with Lacquer Black Dial, reference # 220.10.38.20.01.004.

Condition: Brand new
Case size: 38mm
Movement type: Master Chronometer Movement

Posted at

Apr 3, 2025, 3:15 PM

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Omega Seamaster Aqua Terra Green 41mm

Omega - 220.10.41.21.10.001 · $4,200

The Omega Seamaster Aqua Terra Green is a versatile watch suitable for daily wear, featuring a Master Chronometer certified calibre 8900 with 60 hours of power reserve and antimagnetic properties. It has an excellent bracelet and proportions.

Condition: Near-mint, 94-95%
Case size: 41mm x 47.9mm lug to lug
Thickness: 13.2mm
Power reserve: 60 hours

Posted at

Mar 31, 2025, 10:30 AM

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