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 Aqua Terra Sandstone 220.10.38 38mm - $3,850

Omega - 220.10.38 · $3,850

Up for sale is my Omega Seamaster Aqua Terra ref. 220.10.38 in great condition with an OMEGA 8800 movement.

Condition: Great condition, minor marks on the case and crystal
Case size: 38mm diameter
Bracelet length compatibility: up to 7 inch wrists depending on wrist shape

Posted at

Jan 14, 2026, 9:17 PM

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Omega Aqua Terra 220.10.41 Black Dial 41mm Full Kit 2023 - $4,150

Omega - 220.10.41.21 · $4,150

Up for sale is a very good condition Omega Seamaster Aqua Terra with a 41mm case and Calibre OMEGA 8900 automatic movement.

Condition: Very good condition, minimal marks/hairlines on the case
Case size: 41mm
Movement type: Calibre OMEGA 8900
Water resistance: 150m

Posted at

Jan 14, 2026, 9:11 PM

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Omega Seamaster Aqua Terra 38mm 150M 220.12.38.20.01.001 No Box or Papers, Extra Alligator Leather Strap, Good Condition

Omega - 220.12.38.20.01.001 · $4,000

The Omega Seamaster Aqua Terra 38mm is a tribute to OMEGA’s rich maritime heritage, with a symmetrical stainless steel case and black dial featuring a horizontal “teak” pattern. It's powered by the OMEGA Master Chronometer calibre 8800, certified at the industry’s highest standard. The watch includes an extra authentic Omega Alligator leather strap.

Condition: Good, with a few scratches
Case diameter: 38mm
Water resistance: 150m (500ft)
Movement type: Self winding

Posted at

Jan 14, 2026, 2:22 PM

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2015 Omega Seamaster Aqua Terra 150M Golf Edition 41.5mm 231.10.42.21.01.004 Full Set

Omega - 231.10.42.21.01.004 · $4,000

A classic Aqua Terra design inspired by the world of golf, with subtle green accents.

Condition: Excellent
Year: 2015
Size: 41.5mm
Contents: Full Set

Posted at

Jan 14, 2026, 11:12 AM

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Omega Seamaster Aqua Terra 150M Shades 38mm Green – Full Set

Omega - 220.10.38.20.10.002 · $4,999

This Omega Seamaster Aqua Terra Shades 38mm features a green dial and is powered by the Caliber 8800 Co-Axial Master Chronometer movement.

Condition: Excellent
Case size: 38mm diameter
Water resistance: 150m depth rating
Dial color: Green

Posted at

Jan 13, 2026, 10:45 PM

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Omega Aqua Terra Seamaster Quartz 231.10.39.60 38.5mm Grey Teak, Applied Indices - $1,790

Omega - 231.10.39.60 · $1,790

Up for sale is my Omega Aqua Terra Seamaster Quartz 231.10.39.60, a watch measuring at 38.5mm and featuring an Omega 45640 quartz movement.

Condition: 8.9/10 - great condition with minimal marks/hairlines on the case, caseback, high polished steel bezel and bracelet clasps/sides
Movement: Omega 45640 quartz movement
Case Size: 38.5mm diameter
Crystal Type: sapphire crystal

Posted at

Jan 13, 2026, 9:01 PM

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Omega Aqua Terra 2504.50

Omega - 2504.50 · $2,500

Aqua Terra 2504.50, a luxury watch with legibility concerns due to lack of Arabic indices. The watch has a recent service history and comes with additional accessories.

Condition: Pre-owned with some minor cosmetic imperfections
Crown service history: recently serviced and replaced
Bracelets included: Forstner Flat Link, Forstner Contemporary Flat Link

Posted at

Jan 13, 2026, 3:19 PM

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Omega Seamaster Aqua Terra 38.5mm –Discontinued Grey Skyfall “Teak”Dial - Full Set in Excellent Condition

Omega - 231.10.39.21.06.001 · $3,950

A 2021 Omega Seamaster Aqua Terra 38.5mm with a highly sought-after grey teak 'Skyfall' dial, featuring an in-house Calibre 8500 Co-Axial movement and a smooth 60-hour power reserve.

Condition: Excellent
Case Size: 38.5mm diameter
Dial Color: grey with teak pattern
Movement: Omega Co-Axial Calibre 8500

Posted at

Jan 12, 2026, 11:33 PM

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