Omega Aqua Terra Seamaster Aqua Terra 150m Co-Axial 41.5 Stainless Steel / Black / >15'000 Gauss

Reference 231.12.42.21.01.001

Omega Seamaster Aqua Terra 150m Co-Axial 41.5 Stainless Steel / Black / >15'000 Gauss

About this watch

The Omega Seamaster Aqua Terra 150m Co-Axial 41.5 is a marvel of engineering and design, blending style with functionality. This watch features a sleek black dial, stick and dot indexes, and arrow hands that add a sporty touch while ensuring easy readability. The stainless steel case is durable and elegant, protected by a sapphire crystal that showcases the intricate workings of the Omega caliber 8508 movement. Certified chronometer quality, this automatic movement meets strict precision standards and features Omega’s Co-Axial escapement, reducing friction and enhancing longevity. With a water resistance of up to 150 meters, this watch is ready for action, whether you’re snorkeling in the ocean or caught in the rain. Its versatility allows it to adapt to various occasions with ease, making it a true chameleon in the world of horology. Comfort is paramount when wearing a watch, and the Aqua Terra does not disappoint, with a balanced weight that makes it a joy to wear throughout the day.

Buy Now on Jomashop

This is an affiliate link

MSRP: $6,500

Market Price: $3,453

Key Features

Omega caliber 8508 movement
Certified chronometer quality
Water resistance up to 150 meters
Sapphire crystal
Stainless steel case and bracelet
Co-Axial escapement
15,000 gauss magnetic field resistance

Specifications

Brand

Omega

Family

Aqua Terra

Model

Seamaster Aqua Terra 150m Co-Axial 41.5 Stainless Steel / Black / >15'000 Gauss

Reference

231.12.42.21.01.001

Movement

8508

Movement Features

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

Case

Stainless Steel 41.5mm

Dial Color

Black

Crystal

Sapphire

Water Resistance

150

Current Listings

Omega Seamaster Aqua Terra - Black 39mm - 2503.50 - $2,595 Shipped!

Omega - 2503.50 · $2,595

A 39mm Omega Seamaster Aqua Terra in great condition with everything functioning as it should.

Condition: pre-owned, minor wear
Size: 39mm diameter

Posted at

Feb 18, 2026, 12:14 PM

Active

View listing on r/WatchExchange

OMEGA Seamaster Aqua Terra Worldtimer "Summer Blue" Ref. 220.10.43.22.03.002 - ULTIMATE SET! 🔥$9,600🔥

OMEGA - 220.10.43.22.03.002 · $9,600

The OMEGA Seamaster Aqua Terra Worldtimer Ref. 220.10.43.22.03.002 is a sophisticated travel companion that puts the world on your wrist.

Condition: VERY GOOD - Some light scratches on case and bracelet.
Case size: 43mm
Bracelet length: pre-sized for a ~7" wrist
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 17, 2026, 11:01 PM

Active

View listing on r/WatchExchange

OMEGA Seamaster Aqua Terra 150M Terracotta Ref. 220.10.38.20.13.003 - ULTIMATE SET! 🔥$6,100🔥

OMEGA - 220.10.38.20.13.003 · $6,100

The OMEGA Seamaster Aqua Terra Ref. 220.10.38.20.13.003 features a vibrant Terracotta dial, symmetrical case design and polished brushed bracelet.

Condition: UNWORN
Bracelet size: ~7"
Box included: true
Papers included: true

Posted at

Feb 17, 2026, 10:59 PM

Active

View listing on r/WatchExchange

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

Omega - 231.10.42.21.03.003 · $3,499

This listing is for an Omega Seamaster Aqua Terra Master Co-Axial with a blue dial, measuring 41.5mm in diameter and featuring a 7.25-inch bracelet.

Case Size: 41.5mm
Bracelet Length: 7.25 inches

Posted at

Feb 17, 2026, 1:38 PM

Active

View listing on r/WatchExchange

Omega Aqua Terra White Teaked 38.5mm

Omega - 8500 · $2,750

This Omega Aqua Terra 38.5mm features a white teaked dial and is available for purchase with an extra omega travel bag.

Condition: Excellent, no issues
Case Size: 38.5mm
Box Papers: No box/no papers

Posted at

Feb 16, 2026, 10:46 PM

Active

View listing on r/WatchExchange

Omega Seamaster Aqua Terra Worldtimer – Blue Strap – Ref. 220.10.43.22.03.001 – Unworn 2025 – $8,490 + Shipping

Omega - 220.10.43.22.03.001 · $8,490

A new, unworn Omega Seamaster Aqua Terra Worldtimer featuring a striking blue dial and matching blue strap.

Condition: New / Unworn
Case size: 43mm diameter
Water resistance: 150m depth rating
Power reserve: 60-hour power reserve

Posted at

Feb 16, 2026, 9:17 PM

Active

View listing on r/WatchExchange

Omega Aqua Terra 36mm - Blue Dial - Quartz - 2518.80 - Price Reduced!

Omega - 2518.80 · $1,695

A beautiful Omega Seamaster Aqua Terra Blue, 36mm in size, with a stunning blue dial.

Condition: Good overall condition, minimal wear
Size: 36mm diameter
Movement type: Quartz

Posted at

Feb 16, 2026, 2:22 PM

Active

View listing on r/WatchExchange

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

Omega - 231.10.42.21.03.003 · $3,499

This listing is for an Omega Seamaster Aqua Terra Master Co-Axial, a blue-coloured watch with a 41.5mm case size.

Bracelet Length: 7.25"

Posted at

Feb 16, 2026, 1:26 PM

Active

View listing on r/WatchExchange

Omega Seamaster Aqua Terra Ref. 231.10.42.21.03.003 Excellent Condition

Omega - 231.10.42.21.03.003 · $4,299

The Omega Seamaster Aqua Terra reference 231.10.42.21.03.003 is a versatile watch that combines sport and elegance, featuring a teak-pattern dial and sapphire display caseback.

Condition: Excellent pre-owned condition
Case diameter: 42mm
Movement: Omega Co-Axial automatic

Posted at

Feb 15, 2026, 9:22 PM

Active

View listing on r/WatchExchange