Omega Aqua Terra Seamaster Aqua Terra 150M Master Co-Axial 38.5 Yellow Gold / Diamond / MOP / Bracelet

Reference 231.55.39.21.55.002

About this watch

The Omega Seamaster Aqua Terra 150M Master Co-Axial 38.5 Yellow Gold / Diamond / MOP / Bracelet is a stunning piece that combines luxury with functionality. Its exquisite design, reliable movement, and versatility make it a worthy addition to any watch collection. With its luxurious features and unique design elements, this watch is certainly a conversation starter. The round case has a diameter of 38.5 mm, making it a versatile size that comfortably fits both small and large wrists. It strikes a perfect balance, neither too overwhelming nor too dainty. The open case back allows you to admire the intricate movement within, a testament to Omega’s commitment to transparency and craftsmanship. At the heart of the Seamaster Aqua Terra 150M lies the Omega Caliber 8501, an automatic movement with a frequency of 25,200 vibrations per hour, ensuring precision and reliability. With a water resistance rating of 150 meters, this watch is not just a pretty face; it’s built for adventure. Whether you’re swimming, snorkeling, or just splashing about, you can do so with peace of mind. This watch seamlessly transitions from casual to formal settings, making it perfect for any occasion.

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MSRP: $44,500

Market Price: $15,892

Key Features

Omega Caliber 8501 Automatic Movement
38.5mm Yellow Gold Case
Gem-Set Bezel and Indexes
Sapphire Glass Crystal
150m Water Resistance
Date Function and Chronometer Certified

Specifications

Brand

Omega

Family

Aqua Terra

Model

Seamaster Aqua Terra 150M Master Co-Axial 38.5 Yellow Gold / Diamond / MOP / Bracelet

Reference

231.55.39.21.55.002

Movement

8501

Movement Features

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

Case

Yellow Gold 38.5mm

Dial Color

White

Crystal

Sapphire

Water Resistance

150

Current Listings

Omega Worldtimer Aqua Terra 22092432299001 Box + papers

Omega - 22092432299001 · $7,380

The Omega Worldtimer Aqua Terra features a unique Earth dial, showcasing the planet from the North Pole. It has a robust stainless steel case and automatic movement, ensuring precision and reliability.

Condition: Pre-owned, very minor signs of wear
Case size: 43mm diameter
Water resistance: unknown depth rating
Movement type: Automatic (calibre 8938)

Posted at

Nov 4, 2025, 5:44 PM

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Omega 38mm Aqua Terra (horizontal teak with 8800)

Omega - Aqua Terra · $4,945

This Omega Aqua Terra is a horizontal teak version featuring the 8800 caliber and quick date change function. It comes with an OEM matching rubber strap and includes the original box, warranty, METAS cards, and operating instructions.

Condition: Pre-owned with minor cosmetic damage (ding on crown)
Lug width: 20mm
Thickness: 12mm
Length between lugs (l2l): 45mm

Posted at

Nov 4, 2025, 4:02 PM

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2000s Omega Seamaster Aqua Terra Railmaster 36mm ref. 2504.52

Omega - 2504.52 · $5,700

A 2000s Omega Seamaster Aqua Terra Railmaster 36mm with a stainless steel case and black dial. The watch features an automatic movement, Super-LumiNova lume, and a sapphire crystal.

Condition: Normal wear in the form of a few hairlines, faint scratches, and tiny nicks throughout, some micro patina on hands
Case Material: Stainless steel
Diameter: 36 mm
Lug Width: 19 mm

Posted at

Nov 2, 2025, 4:51 PM

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Omega Aqua Terra (New Turquoise dial on rubber dated 7/25!) full kit $6500

Omega - Aqua Terra · $6,500

This Omega Aqua Terra features a new turquoise dial, 41mm case size, and a 60 hour power reserve. It has a water resistance of 150m and is equipped with the in-house 8900 movement.

Condition: Mint
Movement: 8900 in-house
Case size: 41mm diameter
Water resistance: 150m depth rating

Posted at

Nov 2, 2025, 1:47 PM

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Omega Aqua Terra (7/25 warranty) full kit $4300

Omega - Aqua Terra · $4,300

This Omega Aqua Terra features a Teak designed blue dial, in-house 8900 movement, and comes with a full kit including boxes, manual, warranty card, and more.

Condition: Excellent, Mint condition with light scratches around the bezel
Movement: In-house 8900 movement
Diameter: 41mm
Water Resistance: 150m

Posted at

Nov 2, 2025, 1:42 PM

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Omega Seamaster Aqua Terra Shades

Omega - 220.10.38.20.10.004 · $5,500

This Omega Aqua Terra Shades features a 38mm case, sun-brushed lavender dial, and an automatic master chronometer certified movement.

Condition: Very good
Case diameter: 38mm
Bracelet material: metal (updated version with quick extension)

Posted at

Nov 1, 2025, 11:59 AM

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Omega Seamaster Aqua Terra “PyeongChang 2018” 522.10.42.21.03.001 – 41.5 mm Co-Axial – Box and Papers 🎯 – $3,699 Shipped

Omega - 522.10.42.21.03.001 · $3,699

This is the Omega Seamaster Aqua Terra “PyeongChang 2018” Limited Edition, released to commemorate the 2018 Winter Olympics in South Korea. It features a blue teak dial and a stainless steel case with 150m water resistance, powered by the Co-Axial Master Chronometer Calibre 8500.

Condition: Excellent overall with faint surface wear from light use
Case size: 41.5mm
Water resistance: 150m
Depth rating: 150m water resistance

Posted at

Oct 31, 2025, 10:01 PM

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Omega Seamaster Aqua Terra 41 Black (Ref 220.10.41.21.01.001)

Omega - 220.10.41.21.01.001 · $4,200

This Omega Seamaster Aqua Terra features a black 'teak-deck' patterned dial and a 41mm stainless steel case with a transparent sapphire caseback, making it a stylish and functional watch for everyday wear and light water activities.

Condition: Excellent Condition
Movement: Calibre 8900 - METAS-certified, anti-magnetic up to 15,000 gauss, 60-hour power reserve
Case size: 41 mm diameter
Water resistance: 150 m / 500 ft depth rating

Posted at

Oct 31, 2025, 8:41 PM

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Omega Seamaster Aqua Terra 41mm (220.12.41.21.02.002) – Full Set (Sept 2025)

Omega - 220.12.41.21.02.002 · $5,500

This Omega Seamaster Aqua Terra 41mm is a brand new, unused watch with a white dial and orange accent. It comes with the full set, including OEM rubber strap, inner/outer boxes, cards, and manual.

Condition: Like new with minimal signs of wear
Warranty: 5-year full warranty from Omega
Set included: Full set including inner/outer boxes, three cards (Pictogram, Master Chronometer, Warranty), and manual

Posted at

Oct 31, 2025, 2:54 PM

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