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

[WTS] Omega Aqua Terra Quartz 2517.80 39mm Box and Papers - $1,950

Omega Aqua Terra Quartz 2517.80 39mm Box and Papers - $1,950

Omega - 2517.80 · $1,950
This Omega Seamaster Aqua Terra Quartz is a 39mm quartz watch with Calibre Omega 1538 movement.

  • Condition: great condition
  • Case size: 39mm
  • Movement type: quartz
  • Bracelet type: steel
Posted at
May 4, 2026, 10:21 PM
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[WTS] Omega Seamaster Aqua Terra 15000 Gauss 231.10.42.21.01.002

Omega Seamaster Aqua Terra 15000 Gauss 231.10.42.21.01.002

Omega - 231.10.42.21.01.002 · $3,575
This Omega Seamaster Aqua Terra 15000 Gauss is a high-end watch featuring pictograms and a jomashop warranty.

  • Case Size: 41.5mm diameter
  • Warranty: jomashop warranty
Posted at
May 4, 2026, 9:22 PM
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[WTS] Omega Seamaster Aqua Terra Master Chronometer 220.10.38.20.03.001 - Complete Set

Omega Seamaster Aqua Terra Master Chronometer 220.10.38.20.03.001 - Complete Set

Omega - 220.10.38.20.03.001
Posted at
May 4, 2026, 8:15 PM
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[WTS] Omega Seamaster Aqua Terra 150M – Annual Calendar – 38.5mm

Omega Seamaster Aqua Terra 150M – Annual Calendar – 38.5mm

Omega - 23110392203001 · $4,200
The Omega Seamaster Aqua Terra 150M is a versatile watch that features an annual calendar complication, which automatically accounts for months with 30 or 31 days and only needs adjustment once per year.

  • Condition: Excellent condition
  • Case size: 38.5mm diameter
  • Movement: Omega Co-Axial calibre 8601
Posted at
May 4, 2026, 2:32 PM
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[WTS] Omega Aqua Terra 2503.80 - 39mm - Blue Automatic - Price Reduced!

Omega Aqua Terra 2503.80 - 39mm - Blue Automatic - Price Reduced!

Omega - 2503.80 · $2,695
A Omega Seamaster Aqua Terra Blue Dial Automatic, a 39mm watch in good condition.

  • Condition: pre-owned
  • Diameter: 39mm
Posted at
May 4, 2026, 12:50 PM
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[WTS] Omega Seamaster Aqua Terra 220.10.41.21.06.001 41mm Automatic Grey Dial Full Set

Omega Seamaster Aqua Terra 220.10.41.21.06.001 41mm Automatic Grey Dial Full Set

Omega - 220.10.41.21.06.001 · $5,095
The Omega Seamaster Aqua Terra Ref. 220.10.41.21.06.001 features a stainless steel case with a grey teak dial, automatic movement, and comes in excellent condition with minimal signs of wear.

  • Condition: very good
  • Movement type: Automatic
  • Bracelet material: stainless steel
  • Case size: 41mm diameter
Posted at
May 4, 2026, 10:23 AM
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[WTS] Omega Seamaster Aqua Terra 2504.50 36mm - $2,490

Omega Seamaster Aqua Terra 2504.50 36mm - $2,490

Omega - 2504.50 · $2,490
Up for sale is my Omega Seamaster Aqua Terra 2504.50.00, a great condition automatic watch measuring 36mm.

  • Condition: Great condition with minor patina on dial indices and hands, dust, and handprints
  • Case material: Steel
  • Bracelet material: Original Omega Steel bracelet
  • Crystal type: Sapphire crystal
Posted at
May 3, 2026, 8:37 PM
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[WTS] Omega Seamaster Aqua Terra 150M – James Bond SkyFall – 38.5mm

Omega Seamaster Aqua Terra 150M – James Bond SkyFall – 38.5mm

Omega - 231.10.39.21.03.001 · $4,000
The Omega Seamaster Aqua Terra 150M is a James Bond SkyFall watch with a blue teak dial and stainless steel case.

  • Case Size: 38.5mm
  • Movement: Omega Co-Axial 8500 calibre automatic
Posted at
May 3, 2026, 4:42 PM
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[WTS] Omega Aqua Terra OEM Black Rubber Strap. With End link and deployant clasp.

Omega Aqua Terra OEM Black Rubber Strap. With End link and deployant clasp.

Omega - Aquaterra 41mm · $400
Lightly worn OEM strap for Omega Aquaterra 41mm, comes with end link and deployant clasp.

  • Condition: lightly worn
  • Lug size: 20mm
  • Strap material: black rubber
Posted at
May 3, 2026, 4:05 PM
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