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

2015 Omega Seamaster Aqua Terra 150M Golf Edition 41.5mm 231.10.42.21.01.004 Full Set

Omega - 231.10.42.21.01.004 · $4,000

A classic Aqua Terra design inspired by the world of golf, with subtle green accents.

Condition: Excellent
Year: 2015
Size: 41.5mm
Contents: Full Set

Posted at

Jan 14, 2026, 11:12 AM

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Omega Seamaster 120M Ref. 2511.83 | Japan Exclusive | Pre-Aqua Terra | $1000 OBO | Shipping & Tariffs Covered

Omega - 2511.83 · $1,000

A 36mm stainless steel Omega Seamaster 120M with a quartz movement and a sunburst blue dial, characterized by its understated design and nuance.

Condition: good, unpolished condition with wear marks
Material: stainless steel
Case diameter: 36mm
Strap size: 18 mm

Posted at

Jan 14, 2026, 7:09 AM

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Omega Seamaster Aqua Terra 150M Shades 38mm Green – Full Set

Omega - 220.10.38.20.10.002 · $4,999

This Omega Seamaster Aqua Terra Shades 38mm features a green dial and is powered by the Caliber 8800 Co-Axial Master Chronometer movement.

Condition: Excellent
Case size: 38mm diameter
Water resistance: 150m depth rating
Dial color: Green

Posted at

Jan 13, 2026, 10:45 PM

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Omega Aqua Terra Seamaster Quartz 231.10.39.60 38.5mm Grey Teak, Applied Indices - $1,790

Omega - 231.10.39.60 · $1,790

Up for sale is my Omega Aqua Terra Seamaster Quartz 231.10.39.60, a watch measuring at 38.5mm and featuring an Omega 45640 quartz movement.

Condition: 8.9/10 - great condition with minimal marks/hairlines on the case, caseback, high polished steel bezel and bracelet clasps/sides
Movement: Omega 45640 quartz movement
Case Size: 38.5mm diameter
Crystal Type: sapphire crystal

Posted at

Jan 13, 2026, 9:01 PM

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Omega Aqua Terra 2504.50

Omega - 2504.50 · $2,500

Aqua Terra 2504.50, a luxury watch with legibility concerns due to lack of Arabic indices. The watch has a recent service history and comes with additional accessories.

Condition: Pre-owned with some minor cosmetic imperfections
Crown service history: recently serviced and replaced
Bracelets included: Forstner Flat Link, Forstner Contemporary Flat Link

Posted at

Jan 13, 2026, 3:19 PM

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Omega Seamaster Aqua Terra 38.5mm –Discontinued Grey Skyfall “Teak”Dial - Full Set in Excellent Condition

Omega - 231.10.39.21.06.001 · $3,950

A 2021 Omega Seamaster Aqua Terra 38.5mm with a highly sought-after grey teak 'Skyfall' dial, featuring an in-house Calibre 8500 Co-Axial movement and a smooth 60-hour power reserve.

Condition: Excellent
Case Size: 38.5mm diameter
Dial Color: grey with teak pattern
Movement: Omega Co-Axial Calibre 8500

Posted at

Jan 12, 2026, 11:33 PM

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Omega Aqua Terra 220.10.41.21 Black Dial 41mm Full Kit 2023 - $4,250

Omega - 220.10.41.21 · $4,250

Up for sale is my very good condition Omega Seamaster Aqua Terra with a Calibre OMEGA 8900 automatic movement and measuring at 41mm.

Condition: Very good condition, minor marks on the case back and bezel
Movement: Calibre OMEGA 8900 automatic movement
Case size: 41mm diameter
Water resistance: 150m

Posted at

Jan 12, 2026, 8:38 PM

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Omega Seamaster Aqua Terra |Silver/White teak-pattern dial with solid 18K rose gold hands | 150M 38.5mm | 2023 Full Set in Mint Condition

Omega - 231.13.39.21.02.003 · $4,890

A beautifully proportioned Omega Seamaster Aqua Terra 150M in the highly sought-after 38.5mm case, powered by Omega’s in-house Master Co-Axial Caliber 8500.

Condition: Excellent
Case size: 38.5mm diameter
Movement: Omega Master Co-Axial Cal. 8500
Dial: Silver-white teak pattern

Posted at

Jan 12, 2026, 8:14 PM

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