Omega Aqua Terra Seamaster Aqua Terra 150M Co-Axial 38.5 Stainless Steel / Diamond / Black

Reference 231.18.39.21.51.001

Omega Seamaster Aqua Terra 150M Co-Axial 38.5 Stainless Steel / Diamond / Black

About this watch

The Omega Seamaster Aqua Terra is a masterpiece of horological innovation, seamlessly blending elegance with performance. This stunning timepiece boasts an automatic Omega caliber 8500 movement, providing 60 hours of power reserve and a Master Co-Axial Chronometer designation for exceptional precision and performance. The case is crafted from high-quality stainless steel, resistant to corrosion and wear, while the diamond-set bezel adds a touch of luxury without being overly ostentatious. With its impressive water resistance of 150 meters, this watch is versatile enough for swimming, snorkeling, and everyday wear. Whether you're looking for a professional or laid-back vibe, the Aqua Terra's design allows it to transition seamlessly between different settings, making it the perfect addition to any luxury watch collection.

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Key Features

Omega caliber 8500 automatic movement
60 hours of power reserve
Master Co-Axial Chronometer designation
Stainless steel case with diamond-set bezel
150 meters water resistance
Sapphire crystal glass for scratch resistance and clarity
Black dial with stick and dot indexes

Specifications

Brand

Omega

Family

Aqua Terra

Model

Seamaster Aqua Terra 150M Co-Axial 38.5 Stainless Steel / Diamond / Black

Reference

231.18.39.21.51.001

Movement

8500

Movement Features

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

Case

Stainless Steel 38.5mm

Dial Color

Black

Crystal

Sapphire

Water Resistance

150

Current Listings

Brand New Omega Seamaster Aqua Terra 150M Green Dial - Ref. 220.10.41.21.10.001

Omega - 220.10.41.21.10.001 · $4,500

This Omega Seamaster Aqua Terra 150M features a green dial, comes with a full set of accessories, and is guaranteed to be 100% authentic.

Condition: Brand new, unworn
Set contents: Omega box, outer box, booklet, warranty card dated 2021, chronometer card, pictogram card, hangtag
Year: 2021

Posted at

Jan 28, 2026, 2:52 PM

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Omega Seamaster Aqua Terra “Skyfall” Black Teak 38.5mm|Ref. 231.10.39.21.01.001 | Discontinued | Full Set | Mint Condition| 2023 | Active Factory Warranty

Omega - 231.10.39.21.01.001 · $4,400

A discontinued Omega Seamaster Aqua Terra “Skyfall” Black Teak in a refined and timeless design, featuring a black teak-concept dial and powered by Omega’s Co-Axial Calibre 8500.

Condition: Mint condition
Case size: 38.5mm diameter
Bracelet length: up to 18cm
Movement: in-house Co-Axial Calibre 8500

Posted at

Jan 28, 2026, 9:30 AM

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Omega Seamaster Aqua Terra 220.10.34.20.10.003 34mm Shell Pink Box Papers

Omega - 220.10.34.20.10.003 · $5,725

The Omega Seamaster Aqua Terra Shades features a 34mm stainless steel case with a shell pink dial and 18K white gold indexes. It is powered by the Calibre 8800, Co-Axial Master Chronometer with a 55-hour power reserve and has 150m water resistance.

Condition: Excellent, near mint condition with faint handling marks on the case and bracelet
Case size: 34mm diameter
Water resistance: 150m depth rating
Bracelet type: fully linked stainless steel bracelet

Posted at

Jan 27, 2026, 4:57 PM

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Omega Aqua Terra “Ryder Cup” Special Edition 41.5mm

Omega - 231.10.42.21.02.004 · $4,345

The Omega Aqua Terra 150M ‘Ryder Cup’ Special Edition is a 41.5mm stainless steel automatic watch released to commemorate the 2015/2016 Ryder Cup, featuring a unique silver, textured dial with red and blue accents, an 18kt yellow gold seconds hand, and the anti-magnetic Co-Axial caliber 8500.

Condition: Excellent Condition
Case Size: 41.5mm
Diameter: 41.5mm
Wrist Size Compatible: 7.75"

Posted at

Jan 27, 2026, 2:17 PM

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Omega Seamaster Aqua Terra 150m Blue 220.10.41.21.03.002

Omega - 220.10.41.21.03.002 · $3,999

This Omega Seamaster Aqua Terra 150m Blue is a high-end watch with a 7.25 inch bracelet, and comes with all three cards of documentation.

Condition: Mint with papers
Bracelet length: 7.25 inches

Posted at

Jan 27, 2026, 10:10 AM

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Omega Seamaster Aqua Terra - ‘Blue Wave’ Gold Accents

Omega - 23110422103006 · $5,250

This Omega Seamaster Aqua Terra features a striking blue dial with wave pattern and 18K yellow gold accents, housed in a 41.5mm stainless steel case on a stainless steel bracelet.

Condition: Excellent
Case size: 41.5mm
Material: Stainless steel
Bracelet material: Stainless steel

Posted at

Jan 25, 2026, 7:31 PM

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Omega Seamaster Aqua Terra Green "Golf" Edition 41.5mm Stainless Steel 231.10.42.21.01.004

Omega - 231.10.42.21.01.004

Posted at

Jan 25, 2026, 7:11 PM

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Omega Seamaster Aqua Terra 150M 41.5 mm, Cards Included... Ref: 231.10.42.21.03.003

Omega - 231.10.42.21.03.003 · $3,550

Aqua Terra 150M, 41.5 mm in diameter

Case size: 41.5mm
Shipping method: Fedex with insurance

Posted at

Jan 25, 2026, 3:47 PM

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Omega Aqua Terra 2504.50 with Bracelet // 36mm // 150m WR // 2025 Full Service

Omega - 2504.50 · $2,700

A modern classic, the Omega Aqua Terra with a black dial and co-axial movement is perfect for everyday wear, suitable for various activities such as swimming or formal events.

Condition: Great, light hairlines throughout but no major blemishes
Case Material: Stainless steel
Diameter: 36.2mm
Lug To Lug: 44mm

Posted at

Jan 25, 2026, 3:11 PM

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