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

Reference 231.23.39.21.51.001

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

About this watch

The Omega Seamaster Aqua Terra 150M Co-Axial 38.5 is a masterful blend of style and functionality. This luxurious timepiece boasts a stunning combination of red gold and stainless steel, giving it a sporty yet elegant appearance. The round case measures 38.50 mm in diameter, making it suitable for both men and women. The black dial features gem-set indexes that catch the light beautifully, adding a touch of sophistication to the overall design. Arrow-shaped hands enhance visibility while also adding a modern twist to its classic face. With a water resistance of up to 150 meters, this watch is designed for function as well as form. But what truly sets it apart is the Omega caliber 8500 movement, a certified chronometer that offers an impressive 60 hours of power reserve. The Co-Axial escapement reduces friction, extending the longevity of the watch's performance. Whether you're in a business meeting or enjoying a casual day out, this watch adapts beautifully to any scenario. It's a conversation starter, and with its exquisite design, reliable movement, and versatility, it easily earns its place in the coveted collection of luxury timepieces.

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Key Features

Omega caliber 8500 movement
Certified chronometer
60 hours power reserve
Co-Axial escapement
Water resistance up to 150 meters
Red gold and stainless steel construction
Sapphire glass
38.50 mm diameter case

Specifications

Brand

Omega

Family

Aqua Terra

Model

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

Reference

231.23.39.21.51.001

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 150m | Master Co-Axial | 41.5mm | 231.10.42.21.03.003 Blue

Omega - 231.10.42.21.03.003 · $3,699

This Omega Seamaster Aqua Terra Master Co-Axial features a blue dial and a 41.5mm case.

Case Diameter: 41.5mm
Bracelet Length: 7.25"
Accepted Payment Methods: Zelle, PayPal, or Western Union

Posted at

Feb 8, 2026, 1:00 PM

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Omega Seamaster Aqua Terra Worldtimer | Ref. 220.12.43.22.03.001 | 2024 | Full Set | Like New

Omega - 220.12.43.22.03.001 · $7,190

This Omega Seamaster Aqua Terra Worldtimer features a striking blue dial with a laser-ablated globe at the center, surrounded by 24-hour and global city rings for simultaneous reading of time zones worldwide.

Condition: Like New
Case size: 43mm diameter
Dial color: blue
Water resistance: 150m depth rating

Posted at

Feb 7, 2026, 1:12 AM

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Omega Seamaster Aqua Terra 150M “Spectre” Blue Dial – 41.5mm Ref: 231.10.42.21.03.003 Full Set 2020 Mint Condition

Omega - 231.10.42.21.03.003 · $3,900

This Aqua Terra 'Spectre' configuration features a strong 41.5mm case with a blue teak dial, powered by the reliable in-house Calibre 8500. It's suitable for daily wear and offers excellent magnetic resistance.

Condition: Excellent condition
Dial color: blue
Case size: 41.5mm
Water resistance: 150m

Posted at

Feb 6, 2026, 10:19 PM

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2021 OMEGA SEAMASTER AQUA TERRA 150M 220.10.43.22.03.001

OMEGA - 220.10.43.22.03.001 · $6,900

This 2021 Omega Seamaster Aqua Terra features a 43mm stainless steel case, blue dial, and Calibre 8938 movement with a 60-hour power reserve. It has a water resistance of 150 meters.

Condition: Pre-owned, cosmetic condition: 9/10, fully functional
Case size: 43mm
Movement: Calibre 8938
Power reserve: 60 hours

Posted at

Feb 6, 2026, 6:35 PM

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Omega Seamaster Aqua Terra 38 Green 220.12.38.20.10.001 MINT REDUCED

Omega - 220.12.38.20.10.001 · $4,699

This Omega Seamaster Aqua Terra 38 Green is a high-end watch in mint condition, complete with box and papers.

Condition: Mint
Water Resistance: 30m

Posted at

Feb 6, 2026, 1:50 PM

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Omega Seamaster Aqua Terra Day Date, Blue dial.

Omega - Seamaster Aqua Terra Day Date · $3,850

This Omega Seamaster Aqua Terra Day Date features a blue dial and is one of the seller's daily wear pieces. It comes with original box, strap, and clasp.

Condition: pre-owned with minor wear (micro hairline)
Original Box: true
Strap Condition: original
Case Size: 40mm diameter

Posted at

Feb 5, 2026, 8:21 PM

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WTS- Omega Aqua terra Omega Seamaster Aqua Terra Shades 38mm Ref - 220.10.38.20.10.002 Box and Papers £4195

Omega - 220.10.38.20.10.002 · $4,195

This Omega Seamaster Aqua Terra Shades is a 38mm watch available for sale.

Length: 38mm diameter
Width: not specified

Posted at

Feb 5, 2026, 7:08 AM

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Omega Aqua Terra Oman Khanjar Stamped ($8,950)

Omega - 2201341211001 · $8,950

This Omega Aqua Terra features a 41mm case and comes with all three cards dated 2022, including the green dial. It's stamped with the Oman Khanjar emblem on the caseback.

Condition: pristine
Size: 41mm diameter
Case back stamp: Oman Khanjar emblem
Dial color: green

Posted at

Feb 4, 2026, 10:35 PM

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

Omega - 2518.80 · $1,695

This Omega Seamaster Aqua Terra Blue is a stunning piece with great case and bracelet shape. The watch comes as-is, with some very light marks on the crystal not visible during normal wear.

Condition: Good overall condition, minimal wear
Size: 36mm diameter
Water Resistance: Unknown

Posted at

Feb 4, 2026, 9:07 PM

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