Omega Aqua Terra Seamaster Aqua Terra 150m Master Co-Axial 41.5 Stainless Steel / Yellow Gold / Champagne / Bracelet

Reference 231.20.42.21.08.001

Omega Seamaster Aqua Terra 150m Master Co-Axial 41.5 Stainless Steel / Yellow Gold / Champagne / Bracelet

About this watch

The Omega Seamaster Aqua Terra 231.20.42.21.08.001 is a masterpiece of luxury watchmaking, blending elegance with performance and innovation. Introduced in 2002, this timepiece was designed to cater to those who appreciate the sophistication of dress watches and the ruggedness of sports watches. The stunning champagne dial beautifully contrasts with stainless steel and yellow gold elements, creating a sophisticated look that's hard to ignore. This watch feels like wearing a piece of art on your wrist, thanks to its exquisite design, reliable movement, and robust water resistance. At the heart lies the Omega Caliber 8500 movement, renowned for its precision and reliability. With a frequency of 25,200 vibrations per hour and a power reserve of 60 hours, it's engineered for performance. The Co-Axial escapement technology reduces friction between moving parts, leading to greater accuracy and less wear over time. As a certified chronometer, this watch has undergone rigorous testing to ensure its accuracy. With a water resistance of 150 meters, the Aqua Terra is designed for aquatic adventures, making it suitable for swimming and snorkeling. The combination of stainless steel and yellow gold not only offers aesthetic appeal but also ensures durability. This watch is built to withstand daily wear and tear, making it an excellent investment for those who appreciate longevity in luxury items.

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MSRP: $12,000

Market Price: $4,667

Key Features

41.5 mm Stainless Steel and Yellow Gold Case
Sapphire Crystal Glass
Omega Caliber 8500 Automatic Movement
150m Water Resistance
Co-Axial Escapement Technology
Certified Chronometer Accuracy

Specifications

Brand

Omega

Family

Aqua Terra

Model

Seamaster Aqua Terra 150m Master Co-Axial 41.5 Stainless Steel / Yellow Gold / Champagne / Bracelet

Reference

231.20.42.21.08.001

Movement

8500

Movement Features

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

Case

41.5mm

Crystal

Sapphire

Water Resistance

150

Current Listings

OMEGA Seamaster Aqua Terra Worldtimer "Summer Blue" Ref. 220.10.43.22.03.002 - ULTIMATE SET! 🔥$10,100🔥

OMEGA - 220.10.43.22.03.002 · $10,100

The OMEGA Seamaster Aqua Terra Worldtimer features a 43mm stainless steel case with a 'Summer Blue' dial showcasing the Earth laser-ablated on a grade 5 titanium plate.

Condition: VERY GOOD, some light scratches on case and bracelet.
Case size: 43mm
Bracelet length: ~7"
Contents: ultimate set includes box, papers, serial hang tag, spare links (for fully-linked bracelet), shipping coffin, and digital copy of original purchase receipt

Posted at

Feb 1, 2026, 1:50 PM

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OMEGA Seamaster Aqua Terra 150M Terracotta Ref. 220.10.38.20.13.003 - ULTIMATE SET! 🔥$6,300🔥

OMEGA - 220.10.38.20.13.003 · $6,300

The OMEGA Seamaster Aqua Terra Ref. 220.10.38.20.13.003 features a stunning Terracotta dial, symmetrical case design, and rhodium-plated hands with white Super-LumiNova for readability.

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

Posted at

Feb 1, 2026, 1:47 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

A 2023 Omega Seamaster Aqua Terra Grey, featuring a 41mm case size and available for sale in excellent condition.

Condition: Excellent condition with minimal signs of wear
Year: 2023
Size: 41mm
Water Resistance: 30m water resistance

Posted at

Feb 1, 2026, 12:59 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 · $2,750

This Omega Seamaster Aqua Terra features a Calibre 8500 Co-Axial movement and comes with a 38.5mm case.

Movement: Calibre 8500 Co-Axial
Bracelet length: 7.25 inches

Posted at

Feb 1, 2026, 12:17 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 listing is for an Omega Seamaster Aqua Terra Master Co-Axial in blue, featuring a 41.5mm case size and 7.25" bracelet.

Size: 41.5mm case
Bracelet length: 7.25 inches

Posted at

Jan 30, 2026, 9:29 PM

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Omega Seamaster Aqua Terra Annual Calendar - Blue - 38.5mm

Omega - 23110392203001 · $4,400

The Omega Seamaster Aqua Terra Annual Calendar features a 38.5mm stainless steel case with an annual calendar complication, automatically accounting for months with 30 or 31 days.

Condition: Excellent
Case size: 38.5mm diameter
Water resistance: 150m depth rating
Movement: Omega Co-Axial calibre 8601

Posted at

Jan 30, 2026, 6:14 PM

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Omega Seamaster Aqua Terra 38 Green 220.12.38.20.10.001

Omega - 220.12.38.20.10.001 · $4,999

This Omega Seamaster Aqua Terra 38 is a recent purchase from Watchmaxx and comes with the watch's original box, papers, and tag.

Condition: Mint
Year Bought: few months ago
Original Strap: yes
Additional Straps: TUNS green leather strap

Posted at

Jan 30, 2026, 1:57 PM

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Omega Aqua Terra White 41mm 2025 Full Set - $5100

Omega - Aqua Terra · $5,100

This Omega Aqua Terra is a lovely watch with a white dial. It features a Caliber 8900 movement with a jumping hour hand.

Condition: Excellent, with minor scratches on bezel and bracelet
Case dimensions: 41mm x 13.2mm, 47.9mm lug to lug
Movement: Caliber 8900 (Jumping hour hand)
Inclusions: box, international warranty card, master chronometer card, pictograms card, OEM rubber strap, additional links

Posted at

Jan 30, 2026, 1:45 AM

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Omega Seamaster Aqua Terra 38.5mm – “Grey Skyfall Teak Dial | Ref. 231.10.39.21.06.001 | 2020 | Full Set | Excellent

Omega - 231.10.39.21.06.001 · $4,150

This Omega Seamaster Aqua Terra features a highly sought-after grey teak dial and a smooth in-house Calibre 8500 Co-Axial movement with 60-hour power reserve.

Condition: Excellent
Case size: 38.5mm diameter
Calibre: in-house Calibre 8500 Co-Axial
Power reserve: 60 hours

Posted at

Jan 30, 2026, 12:28 AM

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