Omega Aqua Terra Seamaster Aqua Terra 150M Master Co-Axial 34 Stainless Steel / Sedna Gold / Diamond / MOP

Reference 231.28.34.20.55.003

Omega Seamaster Aqua Terra 150M Master Co-Axial 34 Stainless Steel / Sedna Gold / Diamond / MOP

About this watch

The Omega Seamaster Aqua Terra 231.28.34.20.55.003 is a luxurious timepiece that embodies elegance and functionality. With its blend of stainless steel and Sedna gold, this watch creates a striking visual contrast. The gem-set bezel adorned with sparkling diamonds elevates the watch's overall aesthetic, making it a true conversation starter. The mother of pearl (MOP) dial adds a unique depth, with light reflecting beautifully off its surface, creating a mesmerizing display. At the heart of this timepiece lies the Omega caliber 8520 movement, a marvel of engineering known for its reliability and precision. This automatic movement boasts a 50-hour power reserve and a frequency of 25,200 vibrations per hour, ensuring perfect timekeeping. The Seamaster Aqua Terra is certified as a chronometer, guaranteeing superior accuracy and performance. With a 34mm diameter, this watch is perfectly sized for those who prefer a more understated look. It's ideal for both men and women, making it a unisex option that can be worn comfortably on any wrist. The Omega Seamaster Aqua Terra includes a date function, conveniently located to ensure you're always on top of your schedule. With a water resistance of 150 meters, this watch is suitable for swimming and snorkeling, allowing you to enjoy leisure activities without worrying about damaging your timepiece.

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MSRP: $15,500

Market Price: $5,924

Key Features

Omega caliber 8520 automatic movement
Chronometer certified for superior accuracy
Water resistance up to 150 meters
Date function with analog display
Sedna gold and stainless steel case
Gem-set bezel with sparkling diamonds
Mother of pearl (MOP) dial

Specifications

Brand

Omega

Family

Aqua Terra

Model

Seamaster Aqua Terra 150M Master Co-Axial 34 Stainless Steel / Sedna Gold / Diamond / MOP

Reference

231.28.34.20.55.003

Movement

8520

Movement Features

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

Case

34mm

Dial Color

White

Crystal

Sapphire

Water Resistance

150

Current Listings

Omega Seamaster Aqua Terra Worldtimer “Summer Blue”

Omega - 220.10.43.22.03.002 · $7,799

The Omega Seamaster Aqua Terra Worldtimer features a beautiful gradient blue dial with a laser-ablated topographic map of the continents, powered by the METAS certified Co-Axial Master Chronometer Caliber 8938.

Condition: Brand new old stock and unworn
Case size: 43mm diameter
Movement: Omega Co-Axial Master Chronometer Caliber 8938
Complications: Worldtimer

Posted at

Apr 23, 2026, 4:41 PM

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2023 Omega Seamaster Aqua Terra Skyfall Blue 231.10.42.21.03.003 41.5mm Full Set - $4,795

Omega - 231.10.42.21.03.003 · $4,795

This Omega Seamaster Aqua Terra Skyfall Blue is a 2023 model, featuring a 41.5mm case.

Condition: Excellent condition with minimal signs of wear
Case Size: 41.5mm diameter

Posted at

Apr 23, 2026, 3:04 PM

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Omega Aqua Terra 8900 41mm Lacquer Black 220.10.41.21.01.002 ( new / 2026 / box and papers )

Omega - 220.10.41.21.01.002 · $6,250

This Omega Aqua Terra 8900 features a 41mm stainless steel case and Master Chronometer movement, along with a Lacquer Black dial.

Condition: New
Case Material: Stainless Steel
Movement: Master Chronometer Movement

Posted at

Apr 23, 2026, 2:05 PM

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Omega Aqua Terra 38.5mm | 231.10.39.21.02.001 | Complete Set

Omega - 231.10.39.21.02.001 · $3,650

This Omega Aqua Terra is a 2019 model, complete with a large wooden double box set and various documentation.

Condition: Very good with minor scratches
Case size: 38.5mm diameter
Year: 2019

Posted at

Apr 23, 2026, 10:05 AM

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Omega Aqua Terra Black Wave Dial

Omega - 231.10.42.01.006 · $4,500

I'm selling an Omega Aqua Terra Black Wave Dial, which I bought from Japan last year as NOS and have only worn it about 10 times.

Condition: Pre-owned, like new
Origin: Japan
Warranty: No warranty provided
Shipping: Ships from Canada

Posted at

Apr 23, 2026, 9:40 AM

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Omega aqua Terra 39 grey dial

Omega - 231.10.39.21.06.001

This Omega Seamaster Aqua Terra 38.5mm features a grey teak-pattern dial, powered by an in-house Co-Axial Caliber 8500 with ~60-hour power reserve.

Condition: Excellent pre-owned condition
Case size: 38.5mm
Movement: Automatic (Co-Axial Caliber 8500)
Power reserve: ~60 hours

Posted at

Apr 22, 2026, 10:58 PM

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Omega Seamaster Aqua Terra Grey Teak 231.10.39.21.06.001

Omega - 231.10.39.21.06.001 · $2,899

This Omega Seamaster Aqua Terra features a classic teak-pattern gray dial and is available in very good condition.

Condition: Very good overall condition with minimal signs of use.
Case Size: 38.5mm
Movement Type: Omega Co-Axial automatic movement
Bracelet Length: up to approximately a 6.75" wrist

Posted at

Apr 22, 2026, 8:20 PM

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(Omega) Seamaster Aqua Terra 2517.50 $2,100

Omega - 2517.50 · $2,100

This is the Omega Seamaster Aqua Terra, a 1st gen reference 2517.50 with a black dial and quartz variant in great external condition.

Condition: Great external condition, keeping great time and functioning as intended
Size: 39mm diameter
Movement: quartz

Posted at

Apr 22, 2026, 5:30 PM

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2020 Omega Aqua Terra Captain’s Watch White/silver 6/20 Ref# 231.10.42.21.02.002 $3,299.00

Omega - 231.10.42.21.02.002 · $3,299

A 2020 Omega Aqua Terra Captain's Watch in white/silver, featuring a silvery white dial with Teak pattern and automatic self-winding movement.

Condition: Fantastic condition, with minor hairlines on the polished bezel and links.
Case size: 41.5mm
Water resistance depth rating: 150m
Movement caliber: 8500 Caliber

Posted at

Apr 22, 2026, 12:33 PM

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