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

Reference 231.55.34.20.55.003

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

About this watch

The Omega Seamaster Aqua Terra 150M Master Co-Axial 34 Sedna Gold is a masterpiece of watchmaking, boasting exquisite craftsmanship and innovative technology. This stunning timepiece features a unique Sedna Gold alloy, Mother of Pearl dial, and gem-set indexes and bezel, exuding luxury and warmth. The round shape and elegant bracelet ensure a comfortable fit for any wrist size, making it perfect for both casual and formal settings. With a water resistance of 150 meters, this watch is built for adventure, handling splashes, swimming, and snorkeling with ease. At its core lies the Omega Caliber 8521 movement, featuring a Co-Axial Escapement that improves precision, stability, and durability. The free-sprung balance system with a silicon balance-spring enhances accuracy, making it a chronometer you can trust. With automatic winding in both directions and a power reserve of 50 hours, this watch is always ready to go. Its luxurious feel matches the stunning exterior, giving you a glimpse into its intricate workings through the open case back.

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MSRP: $37,900

Market Price: $13,381

Key Features

Sedna Gold alloy
Mother of Pearl dial
Gem-set indexes and bezel
Co-Axial Escapement movement
Automatic winding in both directions
50-hour power reserve
150-meter water resistance

Specifications

Brand

Omega

Family

Aqua Terra

Model

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

Reference

231.55.34.20.55.003

Movement

8521

Movement Features

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

Case

Sedna Gold 34mm

Dial Color

White

Crystal

Sapphire

Water Resistance

150

Current Listings

Omega Seamaster Aqua Terra 231.10.39.60.06.001 $2,250

Omega - 231.10.39.60.06.001 · $2,250

The Omega Seamaster Aqua Terra is a versatile, all-around luxury watch with exceptional movement technology, often cited as an ideal 'one-and-only-one' watch for both formal and casual wear.

Condition: Excellent pre-owned condition
Case Diameter: 38.5mm
Lug Width: 19mm
Water Resistance: 150m

Posted at

Apr 1, 2026, 12:53 PM

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Omega Seamaster Aqua Terra 2504.50 - 36 mm - Watch, Box, Authenticity Card - $2780 USD + Shipping

Omega - 2504.50 · $2,780

This Omega Seamaster Aqua Terra is a 36mm black dial watch with automatic caliber 2500, featuring minor scuffs from careful wear.

Condition: Excellent overall condition with minor scuffs
Diameter: 36mm
Case size: 36mm
Caliber: Omega Caliber 2500

Posted at

Apr 1, 2026, 8:48 AM

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Omega Seamaster Aqua Terra 231.10.39 38.5mm Quartz White Dial - $1,890

Omega - 231.10.39.60.02.001 · $1,890

This is a Omega Seamaster Aqua Terra watch with a quartz movement and a white dial, measuring 38mm in diameter.

Condition: Very good condition for its age, with minimal marks/hairlines
Case size: 38mm
Movement: Omega 1538 quartz

Posted at

Mar 31, 2026, 10:01 PM

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Omega Seamaster Aqua Terra 231.10.39 38.5mm Grey Teak Quartz, Box and Papers - $1,999

Omega - 231.10.39.61.06.001 · $1,999

This Omega Seamaster Aqua Terra is a great condition quartz watch measuring at 38mm, featuring an Omega 1538 movement, steel case, and original Omega steel bracelet.

Condition: Very good condition for its age
Case size: 38mm diameter
Movement type: quartz

Posted at

Mar 31, 2026, 9:28 PM

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Omega Seamaster Aqua Terra Worldtimer “Summer Blue”

Omega - 220.10.43.22.03.002 · $8,275

This Omega Seamaster Aqua Terra Worldtimer features a stunning 'Summer Blue' dial with a laser-ablated topographic map of the continents, making it one of the most visually impressive modern Omega pieces.

Condition: Brand new old stock and unworn
Diameter: 43mm

Posted at

Mar 31, 2026, 4:59 PM

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Omega Seamaster Aqua Terra 150M 41.5MM 231.10.42.21.01.002 | 2018 Box and Papers

Omega - 231.10.42.21.01.002 · $3,650

A 2018 Omega Seamaster Aqua Terra 150M in excellent condition, featuring a 41.5mm case size and a manual movement.

Condition: Excellent Pre-Owned Condition
Case Size: 41.5mm diameter
Water Resistance: 150m depth rating
Serial Match: serial on case matches card on movement

Posted at

Mar 30, 2026, 9:25 PM

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Omega Aqua Terra Shades Bay Green 38mm $5199

Omega - 22010382010002 · $5,199

Up for sale is a 38mm Omega Aqua Terra Shades in the Bay Green colorway, nearly new with almost the full warranty leftover.

Condition: nearly new
Case size: 38mm
Warranty status: nearly full
Missing items: pictogram card

Posted at

Mar 30, 2026, 6:51 PM

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Omega Seamaster Aqua Terra 150M "SPECTRE" James Bond Limited Edition - 231.10.42.21.03.004

Omega - 231.10.42.21.03.004 · $5,999

This Omega Seamaster Aqua Terra 150M 'SPECTRE' James Bond Limited Edition is a unique timepiece featuring a blue PVD dial and nods to 007 heritage, including the Bond family coat of arms on the dial and oscillating weight.

Condition: Great condition with minor signs of wear
Case diameter: 41.5mm
Water resistance depth rating: 150m (500ft)
Crystal type: Sapphire with AR treatment on both sides

Posted at

Mar 28, 2026, 11:43 PM

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