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

Reference 231.20.39.21.51.003

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

About this watch

The Omega Aqua Terra 231.20.39.21.51.003 is a masterpiece of engineering and design, combining elegance with functionality. Crafted from a harmonious blend of stainless steel and red gold, this watch exudes luxury and durability. The black dial, complemented by gem-set indexes, adds a touch of sophistication that's hard to ignore. The round case, with a diameter of 38.5mm, strikes an ideal balance between boldness and wearability. At the core lies the Omega caliber 8500 movement, renowned for its precision and reliability, featuring 39 jewels and a frequency of 25,200 vibrations per hour. This automatic movement boasts an impressive 60-hour power reserve, ensuring it keeps perfect time even when taken off for days. With a water resistance of up to 150 meters, this watch is suitable for swimming and snorkeling. As a 'Master Co-Axial Chronometer', it has passed stringent tests ensuring its accuracy. The date function included ensures you always know what day it is, while the comfortable fit makes it perfect for all-day wear. Whether in formal or casual settings, the Aqua Terra's design speaks volumes and adapts to any outfit.

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MSRP: $9,550

Market Price: $3,884

Key Features

Omega caliber 8500 movement
60-hour power reserve
150m water resistance
Date function
Master Co-Axial Chronometer certification
Stainless steel and red gold construction
Black dial with gem-set indexes

Specifications

Brand

Omega

Family

Aqua Terra

Model

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

Reference

231.20.39.21.51.003

Movement

8500

Movement Features

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

Case

38.5mm

Dial Color

Black

Crystal

Sapphire

Water Resistance

150

Current Listings

Omega Seamaster Aqua Terra 38 Green 220.12.38.20.10.001

Omega - 220.12.38.20.10.001 · $4,999

Aqua Terra 38 Green, a luxury watch from Omega, in mint condition with original box and papers.

Condition: Mint condition
Box and papers included: true
Tag included: true

Posted at

Jan 24, 2026, 2:21 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

This Omega Seamaster Aqua Terra Grey is a 2023 model, featuring a 41mm case.

Condition: Excellent condition with minimal signs of wear
Year: 2023
Size: 41mm diameter
Contents: inner & outer box, card holder, international warranty card, master chronometer card, pictograms card

Posted at

Jan 24, 2026, 1:54 PM

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[US] Omega Seamaster Aqua Terra 150m - Turquoise Dial - 41mm - 220.32.41.21.03.001

Omega - 220.32.41.21.03.001 · $7,150

This Omega Seamaster Aqua Terra features a turquoise dial and is housed in a 41mm case.

Condition: Fantastic condition with minor hairlines
Depth rating: 150m
Case size: 41mm
Water resistance: 150m

Posted at

Jan 24, 2026, 9:38 AM

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OMEGA Seamaster Aqua Terra Worldtimer "Summer Blue" Ref. 220.10.43.22.03.002 - ULTIMATE SET! 🔥$10,250🔥

OMEGA - 220.10.43.22.03.002 · $10,250

The OMEGA Seamaster Aqua Terra Worldtimer is a sophisticated travel companion that puts the world on your wrist. It features a 43mm stainless steel case, a dial with a laser-ablated Earth design, and a 24-hour glass ring indicating day and night.

Condition: VERY GOOD (some light scratches on case and bracelet)
Case size: 43mm
Bracelet size: ~7"
Contents: ULTIMATE SET (includes box, papers, serial hang tag, spare links, shipping coffin, and digital copy of original purchase receipt)

Posted at

Jan 23, 2026, 9:12 PM

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OMEGA Seamaster Aqua Terra 150M Terracotta Ref. 220.10.38.20.13.003 - ULTIMATE SET! 🔥$6,500🔥

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 is powered by the Co-Axial Master Chronometer Calibre 8800.

Condition: UNWORN
Case size: 38mm
Bracelet length: ~7"
Contents: box, papers, serial hang tag, spare links, shipping coffin, digital copy of original purchase receipt

Posted at

Jan 23, 2026, 9:10 PM

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Omega Seamaster Aqua Terra 150m | Master Co-Axial | 41.5mm | 231.10.42.21.03.003 Blue

Omega - 231.10.42.21.03.003 · $3,750

This Omega Seamaster Aqua Terra is a Master Co-Axial watch featuring a 41.5mm case and a 7.25" bracelet.

Case Size: 41.5mm diameter
Bracelet Length: 7.25 inches

Posted at

Jan 23, 2026, 6:33 PM

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Omega Seamaster Aqua Terra 38.5mm Skyfall Blue -231.10.39.21.03.002

Omega - 231.10.39.21.03.002 · $3,900

This listing is for a barely worn Omega Seamaster Aqua Terra 38.5mm Skyfall Blue, with a vertical teak dial, featuring an automatic master coaxial omega calibre 8500 movement. It comes in the full set including box and warranty cards.

Condition: Mint
Case Size: 38.5mm diameter
Movement: Automatic Master Coaxial Omega Calibre 8500 (8500g)

Posted at

Jan 23, 2026, 5:44 AM

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Omega Seamaster Aqua Terra 38.5mm Skyfall blue - 231.10.39.21.03.002

Omega - 231.10.39.21.03.002 · $3,900

This Omega Seamaster Aqua Terra 38.5mm Skyfall blue is a discontinued version with a Vertical teak dial, worn in James Bond movies. It's barely worn and comes with its complete set, including the box, spare links, and warranty cards.

Condition: Mint
Case size: 38.5mm diameter
Movement: Automatic Master Coaxial Omega Calibre 8500 (8500g)
Diameter: 38.5mm

Posted at

Jan 23, 2026, 5:13 AM

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