Omega Aqua Terra Seamaster Aqua Terra 150M Co-Axial 41.5 Stainless Steel / Red Gold / Grey / Bracelet

Reference 231.20.42.21.06.001

Omega Seamaster Aqua Terra 150M Co-Axial 41.5 Stainless Steel / Red Gold / Grey / Bracelet

About this watch

The Omega Seamaster Aqua Terra 231.20.42.21.06.001 is a masterpiece of luxury watchmaking, seamlessly blending elegance and sportiness in its sophisticated design. The combination of stainless steel and red gold gives it a luxurious feel without being overly flashy. The grey dial with subtle texture creates a pleasing visual effect that catches the light beautifully. With stick and dot indexes, reading the time is both straightforward and chic. The arrow hands add to the watch's sporty demeanor, making it suitable for both formal and casual occasions. The 41.50mm case is perfectly sized for most wrists, while the open case back allows you to admire the intricate Omega caliber 8500 movement inside. This automatic movement is known for its reliability and precision, with a frequency of 25,200 vibrations per hour and 39 jewels. The 60-hour power reserve means you won't have to worry about winding it every day. With a water resistance of 150 meters, the Aqua Terra is perfect for those who enjoy aquatic adventures. Whether you're swimming at the beach or simply caught in the rain, you can trust this watch to hold up. It's like having a reliable companion that keeps ticking even when you take a break from wearing it.

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MSRP: $9,700

Market Price: $5,104

Key Features

Omega caliber 8500 automatic movement
Stainless Steel and Red Gold case
150m Water Resistance
41.50mm Diameter
Sapphire Glass
60-hour Power Reserve

Specifications

Brand

Omega

Family

Aqua Terra

Model

Seamaster Aqua Terra 150M Co-Axial 41.5 Stainless Steel / Red Gold / Grey / Bracelet

Reference

231.20.42.21.06.001

Movement

8500

Movement Features

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

Case

41.5mm

Dial Color

Grey

Crystal

Sapphire

Water Resistance

150

Current Listings

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 is a blue watch with a 150m water resistance rating.

Bracelet length: 7.25 inches

Posted at

Jan 19, 2026, 7:29 PM

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Omega Seamaster Aqua Terra - 38.5mm - 231.10.39.60.02.001 - Clean!

Omega - 231.10.39.60.02.001 · $1,895

This Omega Seamaster Aqua Terra features a 38.5mm case with a Caliber 4564 quartz movement, making it an easy watch to wear and maintain.

Case size: 38.5mm
Bracelet type: original
Wrist fit: up to 6.75 inch

Posted at

Jan 19, 2026, 3:00 PM

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Omega Seamaster Aqua Terra Blue Dial Auto - 36mm - 2504.80 - Clean!

Omega - 2504.80 · $2,650

This Omega Seamaster Aqua Terra features a 36.2mm case with a navy blue sunburst dial and Co-Axial automatic movement.

Condition: Excellent overall condition with minimal wear
Case size: 36.2mm
Movement type: Co-Axial automatic
Crystal type: domed sapphire with anti-reflective coating

Posted at

Jan 19, 2026, 2:03 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

Omega - 231.10.39.21.01.001 · $4,250

This Omega Aqua Terra “Skyfall” features a discontinued black “teak-concept” dial, in-house Co-Axial Calibre 8500 movement with 60-hour power reserve and anti-magnetic performance up to 15,000 gauss. At 38.5mm, it strikes the perfect balance between refined, timeless design and wearability.

Condition: Mint Condition
Diameter: 38.5mm
Movement: Co-Axial Calibre 8500
Bracelet size: up to an 18cm wrist

Posted at

Jan 19, 2026, 1:50 PM

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Omega Aqua Terra Small Seconds

Omega - Small Seconds

The watch is an Omega Aqua Terra with a small seconds feature.

Posted at

Jan 19, 2026, 1:37 PM

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Omega Seamaster Aqua Terra 38mm Black/Steel | 220.12.38.20.01.001 | No Box or Papers | Extra Alligator Leather Strap | Good Condition | Priced to Sell

Omega - 220.12.38.20.01.001 · $3,750

The Omega Seamaster Aqua Terra is a tribute to OMEGA’s rich maritime heritage, featuring a stainless steel case and a black dial with a horizontal ‘teak’ pattern.

Condition: Good condition, has a few scratches
Case diameter: 38mm
Water resistance: 150m
Power reserve: 55 hours

Posted at

Jan 19, 2026, 11:38 AM

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Omega Speedmaster Aqua Terra 38mm Full Set

Omega - Aqua Terra 38mm · $4,250

Beautiful Omega Aqua Terra 38mm up for sale. It has a protective film on the case and bracelet, adding scratch protection.

Condition: Good pre-owned condition
Bracelet length: 6.75in
Strap material: rubber
Box contents: Inner and Outter Box, cards, tag, OEM bracelet, another set of WatchShell film and tweezers

Posted at

Jan 19, 2026, 10:52 AM

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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, with a 41mm case size, available in excellent condition.

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

Posted at

Jan 19, 2026, 10:41 AM

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Omega Aqua Terra 38mm // METAS Chronometer // 150m WR // Full Kit

Omega - 220.10.38.20.01.001 · $4,099

This listing is for an Omega Aqua Terra ref. 220.10.38.20.01.001 from late 2023, featuring a stainless steel case with automatic movement.

Condition: Great, minor hairlines or two on the polished bezel and bracelet
Case diameter: 38mm
Lug-to-lug: 45mm
Lug width: 19mm

Posted at

Jan 18, 2026, 7:14 PM

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