Omega Aqua Terra Seamaster Aqua Terra 150M Co-Axial 38.5 Red Gold / Diamond / Black / Bracelet

Reference 231.55.39.21.51.001

Omega Seamaster Aqua Terra 150M Co-Axial 38.5 Red Gold / Diamond / Black / Bracelet

About this watch

The Omega Seamaster Aqua Terra 231.55.39.21.51.001 is a masterpiece of luxury watchmaking, boasting a gleaming red gold case and stunning black dial adorned with diamonds. The 38.5mm round case is meticulously crafted to offer a sophisticated look suitable for both casual and formal occasions. Sapphire glass provides unparalleled durability and scratch resistance, ensuring your timepiece remains pristine even with daily wear. This robust chronometer features the Omega caliber 8501 movement, celebrated for its reliability and accuracy, with a power reserve of up to 60 hours and Co-Axial escapement technology reducing friction between parts. With water resistance of 150 meters, this watch is ready for any adventure or formal event, delivering unparalleled luxury and functionality in one sleek package.

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Key Features

Omega caliber 8501 movement
Red gold case with gem-set bezel
Sapphire glass for durability
Chronometer certification
Water resistance up to 150 meters

Specifications

Brand

Omega

Family

Aqua Terra

Model

Seamaster Aqua Terra 150M Co-Axial 38.5 Red Gold / Diamond / Black / Bracelet

Reference

231.55.39.21.51.001

Movement

8501

Movement Features

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

Case

Red Gold 38.5mm

Dial Color

Black

Crystal

Sapphire

Water Resistance

150

Current Listings

Omega Seamaster Aqua Terra Worldtimer 43mm “Summer Blue” 220.12.43.22.03.002 - 2024 Full Set

Omega - 220.12.43.22.03.002 · $7,950

2024 Omega Seamaster Aqua Terra Worldtimer 43mm in 'Summer Blue' condition, featuring a Master Chronometer certification.

Condition: Pre-owned with slight wear on case and buckle, faint hairlines on bezel
Case size: 43mm
Water resistance: 100m
Power reserve: +335 hours

Posted at

Oct 24, 2025, 1:49 AM

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Omega Seamaster Aqua Terra 38.5mm Black Teak Dial - Full Set, Excellent Condition

Omega - 231.10.39.21.01.002 · $3,600

Selling my Omega Aqua Terra with a black teak-patterned dial, in excellent condition. It comes with the original box, papers, bracelet links, and receipt of purchase.

Condition: Excellent condition with light surface wear and keeping excellent time
Case Size: 38.5mm diameter
Movement: Omega Co-Axial Caliber 8500
Water Resistance: 150m depth rating

Posted at

Oct 23, 2025, 11:34 PM

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[WTs] 2024 Omega Aqua Terra 43 mm GMT from Japan NO DUTIES in the US now 7000 USD OBO + label. Will FT. Accepting Zelle/Wire/PayPal. PayPal automatically charges tax.

2024 Omega Aqua Terra 43 mm GMT from Japan NO DUTIES in the US now 7000 USD OBO + label. Will FT. Accepting Zelle/Wire/PayPal. PayPal automatically charges tax.

Omega - 43mm GMT · $7,000

A 2024 Omega Aqua Terra 43mm GMT watch from Japan, available for sale in the US without duties.

Shipping Method: FEDEX overnight fully insured
Shipping Location: local FEDEX store of your choice

Posted at

Oct 23, 2025, 10:00 PM

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Omega Aqua Terra Automatic 2504.30 36mm SIlver Dial $2250

Omega - 2504.30 · $2,250

This Omega Aqua Terra Automatic is a good timegrapher with freshly polished case, available in 36mm size.

Condition: Excellent condition
Case Size: 36mm
Diameter: 36mm

Posted at

Oct 23, 2025, 9:43 PM

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2518.80 Omega Aqua Terra 36mm Blue Dial Quartz $1,625

Omega - 2518.80 · $1,625

A Omega Seamaster Aqua Terra 36mm watch with a blue dial, available for sale.

Condition: Mint
Case size: 36mm diameter
Water resistance: None mentioned
Movement type: Quartz

Posted at

Oct 23, 2025, 9:25 PM

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Omega Aqua Terra Small Seconds 150mm

Omega - 220.12.41.21.02.005 · $4,500

The Omega Aqua Terra Small Seconds is a high-end watch with a 41mm case, 150m water resistance, and a COSC/METAS movement. It features a small seconds complication and comes with full box and papers.

Condition: Excellent
Water Resistance: 150m
Power Reserve: 60 hours
Movement: 8916 COSC/METAS

Posted at

Oct 22, 2025, 8:49 PM

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Omega Seamaster Aqua Terra Co-Axial 42mm 231.10.42.21.06.001 Gray

Omega - 231.10.42.21.06.001 · $2,975

This Omega Seamaster Aqua Terra Co-Axial is a 42mm watch with a gray color scheme.

Condition: Fresh service, used
Bracelet length: 7.25 inches

Posted at

Oct 22, 2025, 8:14 PM

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Omega Aqua Terra 41mm 220.10.41.21.03.004 - Blue Teak Dial - Price Reduced ‼️

Omega - 220.10.41.21.03.004 · $3,650

This Omega Aqua Terra features a stunning blue teak dial and is in overall very clean condition with some light marks on the crystal.

Condition: pretty good, light wear on bracelet, lugs, and clasp
Wrist size compatible: up to 7.25 inches
Payment methods accepted: bank wire, zelle, paypal (F&F)

Posted at

Oct 22, 2025, 4:31 PM

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[US] Omega Seamaster Aqua Terra 150m Master Chronometer GMT - Complete Set 2023

Omega - 231.90.46.51.002

This Omega Seamaster Aqua Terra 150m Master Chronometer GMT is a complete set from 2023, featuring a 41mm case with a black dial and stainless steel bracelet.

Year: 2023

Posted at

Oct 22, 2025, 1:11 PM

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