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

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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Omega Seamaster Aqua Terra "Saffron"

Omega - 2201.0382012001 · $4,300

The Omega Seamaster Aqua Terra 'Saffron' is a beautiful watch with a saffron dial that sparkles in the light. It features a 38mm diameter dial and comes with box and papers.

Condition: Good, with typical hairline scratches
Case size: 38mm
Material: stainless steel
Crystal material: sapphire

Posted at

Oct 22, 2025, 11:51 AM

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