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

Reference 231.20.34.20.55.002

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

About this watch

The Omega Seamaster Aqua Terra 231.20.34.20.55.002 is a masterclass in luxury watchmaking, blending elegance with functionality and precision. This stunning timepiece boasts a 34mm case size, crafted from stainless steel and yellow gold, giving it a luxurious feel. The mother-of-pearl (MOP) dial adds an ethereal quality, while the gem-set indexes shimmer subtly. The arrow-shaped hands ensure easy reading at a glance. With a predominantly white dial and yellow gold accents, this watch maintains a clean and classic aesthetic that can transition effortlessly from day to night. Underneath its stunning design lies the heart of the watch - its Omega caliber 8520 automatic movement. This chronometer boasts a 50-hour power reserve, precision accuracy, and Co-Axial escapement technology, ensuring smooth sweeping of the second hand. With a water resistance rating of 150 meters and scratch-resistant sapphire crystal, this watch is more than just a pretty face - it's a reliable companion for adventurous souls. The stainless steel and yellow gold bracelet is both sturdy and comfortable, making it perfect for everyday wear.
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Key Features

  • Omega caliber 8520 automatic movement
  • 50-hour power reserve
  • Chronometer precision accuracy
  • Co-Axial escapement technology
  • 150-meter water resistance
  • Sapphire crystal scratch-resistance
  • Stainless steel and yellow gold bracelet

Specifications

Brand
Omega
Family
Aqua Terra
Model
Seamaster Aqua Terra 150M Master Co-Axial 34 Stainless Steel / Yellow Gold / MOP / Bracelet
Reference
231.20.34.20.55.002
Movement
8520
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
34mm
Dial Color
White
Crystal
Sapphire
Water Resistance
150

Current Listings

[WTS] Omega Seamaster Aqua Terra 41.5mm - 231.10.42.21.02.001 - Price Reduced!

Omega Seamaster Aqua Terra 41.5mm - 231.10.42.21.02.001 - Price Reduced!

Omega - 231.10.42.21.02.001 · $2,895
  • Condition: Very clean pre-owned condition with light wear throughout
  • Size: 41.5mm diameter
Posted at
May 19, 2026, 12:30 PM
Active
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[WTS] Omega Seamaster Aqua Terra 41.5mm "Spectre" Blue - 231.10.42.21.03.003

Omega Seamaster Aqua Terra 41.5mm "Spectre" Blue - 231.10.42.21.03.003

Omega - 231.10.42.21.03.003 · $3,650
This is a watch-only example of the Omega Seamaster Aqua Terra 'Spectre' Blue, featuring a 41.5mm size and blue dial.

  • Condition: Pre-owned, great condition with light wear
  • Size: 41.5mm diameter
  • Bracelet: center links are brushed instead of polished
Posted at
May 19, 2026, 12:26 PM
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[WTS] Omega Seamaster Aqua Terra First Gen 39.2mm Black Dial — Ref. 2503.50.00 | Fresh Service | $2,599 Shipped

Omega Seamaster Aqua Terra First Gen 39.2mm Black Dial — Ref. 2503.50.00 | Fresh Service | $2,599 Shipped

Omega - 2503.50.00 · $2,599
First-generation Omega Seamaster Aqua Terra ref. 2503.50.00, featuring a 39.2mm case and elegant glossy black dial. Powered by the reliable Omega Co-Axial Cal. 2500, this watch represents a perfect balance between dress watch refinement and everyday versatility.

  • Condition: very good condition overall
  • Case size: 39.2mm
  • Lug-to-lug length: ~46mm
  • Thickness: ~11.5mm
Posted at
May 19, 2026, 10:37 AM
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[WTS] Omega Seamaster Aqua Terra 38.5mm Gray Teak Dial — Ref. 231.10.39.21.06.001 | Full Set, Fresh Service | $2,999 Shipped

Omega Seamaster Aqua Terra 38.5mm Gray Teak Dial — Ref. 231.10.39.21.06.001 | Full Set, Fresh Service | $2,999 Shipped

Omega - 231.10.39.21.06.001 · $2,999
The Omega Seamaster Aqua Terra ref. 231.10.39.21.06.001 is a highly wearable everyday watch with a gray teak dial and blue accents, featuring a Co-Axial Cal. 8500 movement with visible display caseback.

  • Condition: Very good condition, freshly serviced
  • Case size: 38.5mm
  • Lug-to-lug: 45.5mm
  • Thickness: 12.5mm
Posted at
May 19, 2026, 10:16 AM
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[WTS] Omega Worldtimer Aqua Terra 150m box and papers 43mm $7900+ label

Omega Worldtimer Aqua Terra 150m box and papers 43mm $7900+ label

Omega - Worldtimer Aqua Terra 150m box and papers 43mm · $7,900
This Omega Worldtimer Aqua Terra 150m features a 43mm case size, 60 hour power reserve, integrated 18k gold bracelet, and 150 meter water resistance.

  • Condition: Excellent condition with minor scratches on the bracelet, ripped outer box flap, and taped fix
  • Bracelet size: 43mm
  • Water resistance: 150m
  • Depth rating: 150m depth rating
Posted at
May 18, 2026, 9:24 PM
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[WTS] Omega Seamaster Aqua Terra 2400

Omega Seamaster Aqua Terra 2400

Omega - Aqua Terra 2400
This Omega Seamaster Aqua Terra 2400 is in excellent condition, with a previous owner-reported accuracy of +3 seconds per day. The watch comes with a watch-only bracelet that fits a 7.5-inch wrist.

  • Condition: fantastic condition, super clean and running super well
  • Bracelet size: fits about a 7.5 inch wrist
  • Accuracy: +3 seconds a day
Posted at
May 18, 2026, 5:50 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 · $4,995
This Omega Seamaster Aqua Terra features a stainless steel case, grey teak dial, and automatic movement. It comes with an original outer box, inner box, and undated warranty card.

  • Condition: Very good condition
  • Movement type: Automatic
  • Bracelet material: Stainless steel
  • Case size: 41 mm
Posted at
May 18, 2026, 8:49 AM
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[WTS] Omega Aqua Terra Quartz 2517.80 39mm Box and Papers - $1,890

Omega Aqua Terra Quartz 2517.80 39mm Box and Papers - $1,890

Omega - 2517.80 · $1,890
Up for sale is my Omega Seamaster 2517.80, a quartz watch with Calibre Omega 1538 movement and a steel case on original Omega steel bracelet.

  • Condition: great condition, minimal marks on the case and bracelet
  • Case size: 39mm diameter
  • Movement: Calibre Omega 1538 quartz
  • Bracelet type: original Omega steel bracelet
Posted at
May 17, 2026, 9:26 PM
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[WTS] Omega Aqua Terra 231.10.39 Cal 8500 38.5 mm Master Co-Axial - $2,950

Omega Aqua Terra 231.10.39 Cal 8500 38.5 mm Master Co-Axial - $2,950

Omega - 231.10.39.21.02.002 · $2,950
Up for sale is my great condition Omega Aqua Terra 231.10.39 Cal 8500 38.5 mm Master Co-Axial.

  • Condition: Great condition, minimal marks on case and caseback
  • Case Size: 39mm diameter
  • Bracelet Type: Original Omega steel bracelet (replaced with OEM all brushed version)
  • Movement: Calibre OMEGA 8500
Posted at
May 17, 2026, 9:22 PM
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