Omega Aqua Terra Seamaster Aqua Terra 150M Master Co-Axial 38.5 Red Gold / MOP / Diamond

Reference 231.55.39.21.55.001

Omega Seamaster Aqua Terra 150M Master Co-Axial 38.5 Red Gold / MOP / Diamond

About this watch

The Omega Seamaster Aqua Terra is a masterpiece of luxury watchmaking, boasting a stunning red gold case paired with an elegant mother-of-pearl dial. The gem-set indexes add a touch of luxury, while the arrow-shaped hands sweep across the dial with fluidity. Under the hood, the caliber 8501 automatic movement features a gold rotor and a 60-hour power reserve, ensuring reliability alongside style. With a water resistance of 150 meters, this watch is perfect for adventure lovers who value functionality without sacrificing elegance.
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MSRP: $44,400
Market Price: $15,365

Key Features

  • Omega Caliber 8501 Automatic Movement
  • Red Gold Case with Mother-of-Pearl Dial
  • Gem-Set Indexes and Bezel
  • Sapphire Glass and 150m Water Resistance
  • 38.5mm Diameter and Adjustable Bracelet
  • 60-Hour Power Reserve and Date Function

Specifications

Brand
Omega
Family
Aqua Terra
Model
Seamaster Aqua Terra 150M Master Co-Axial 38.5 Red Gold / MOP / Diamond
Reference
231.55.39.21.55.001
Movement
8501
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
Red Gold 38.5mm
Dial Color
White
Crystal
Sapphire
Water Resistance
150

Current Listings

[WTS] Omega Seamaster Black Dial Aqua Terra 2503.50 39mm Box and Papers - $2,650

Omega Seamaster Black Dial Aqua Terra 2503.50 39mm Box and Papers - $2,650

Omega - 2503.50 · $2,650
Up for sale is my great condition Omega Seamaster Aqua Terra 39mm watch with an automatic movement and steel case.

  • Condition: Very good condition for its age
  • Case size: 39mm diameter
  • Movement: automatic Omega Calibre 2500
Posted at
May 14, 2026, 9:38 PM
Active
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[WTS] Omega Seamaster Aqua Terra 150M – 'Blue Wave’ – Gold Accents – Complete Set

Omega Seamaster Aqua Terra 150M – 'Blue Wave’ – Gold Accents – Complete Set

Omega - 23110422103006 · $4,950
A striking Aqua Terra released for a very short period in limited production, featuring a blue dial with a wave pattern and 18K yellow gold accents.

  • Condition: Excellent all-around condition
  • Case Size: 41.5mm diameter
  • Water Resistance: 150M / 15 bar
  • Power Reserve: 60 hours
Posted at
May 14, 2026, 3:41 PM
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[WTS] Omega Seamaster Aqua Terra 150M Black Dial (220.10.38.20.01.001) – Excellent Condition

Omega Seamaster Aqua Terra 150M Black Dial (220.10.38.20.01.001) – Excellent Condition

Omega - 220.10.38.20.01.001 · $3,750
The Omega Seamaster Aqua Terra is a versatile, super clean piece that works well dressed up or daily.

  • Condition: Excellent (minor wear)
  • Case size: 38mm
  • Movement: Co-Axial Master Chronometer (Caliber 8800)
  • Power reserve: ~55 hours
Posted at
May 14, 2026, 3:36 PM
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[WTS] Omega Aqua Terra 38.5mm 231.1039 $2750 - Box & papers

Omega Aqua Terra 38.5mm 231.1039 $2750 - Box & papers

Omega - 231.1039 · $2,750
The Omega Aqua Terra reference 231.1039 is a 38.5mm watch available for sale.

  • Length of stay with owner: 2 months
Posted at
May 14, 2026, 3:05 PM
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[WTS] Omega Aqua Terra GMT Worldtimer - 220.92.43.22.99.001 - Grey - Titanium - 43mm - 2025 AD Unit Mint Condition

Omega Aqua Terra GMT Worldtimer - 220.92.43.22.99.001 - Grey - Titanium - 43mm - 2025 AD Unit Mint Condition

Omega - 220.92.43.22.99.001 · $8,799
This Omega Aqua Terra GMT Worldtimer is a highly sought-after timepiece that stands out for its gunmetal titanium color and applied city displays.

  • Condition: Mint condition
  • Case material: Titanium
  • Case size: 43mm
  • Band type: Not specified
Posted at
May 14, 2026, 1:36 PM
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[WTS] Omega Aqua Terra Chrono - Ref: 2512.30.00 - FULL KIT

Omega Aqua Terra Chrono - Ref: 2512.30.00 - FULL KIT

Omega - 2512.30.00 · $3,300
This Omega Seamaster Aqua Terra Chronograph features a white dial with flame blue indices, housed in a 42mm case with a column-wheel chronograph movement.

  • Condition: Very good, minor marks on bezel, case and bracelet
  • Movement: Omega 3301 (column-wheel chronograph movement based on the Piguet 1285 movement)
  • Case Size: 42mm
  • Bracelet Size: 7.5
Posted at
May 14, 2026, 1:07 PM
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[WTS] Omega Seamaster Aqua Terra 2503.80.00 “First Gen” 39mm — Blue Sunburst Dial — Cal. 2500 Co-Axial — Fresh Service — $2,699 Shipped

Omega Seamaster Aqua Terra 2503.80.00 “First Gen” 39mm — Blue Sunburst Dial — Cal. 2500 Co-Axial — Fresh Service — $2,699 Shipped

A first-generation Omega Seamaster Aqua Terra with a beautiful blue sunburst dial and the reliable Cal. 2500 Co-Axial Chronometer movement.

Posted at
May 14, 2026, 11:43 AM
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[WTS] Omega Seamaster Aqua Terra Ref 220.10.41.21.02.001 - 41mm FULL SET! -$4500 OBO

Omega Seamaster Aqua Terra Ref 220.10.41.21.02.001 - 41mm FULL SET! -$4500 OBO

Omega - 220.10.41.21.02.001 · $4,500
A Omega Seamaster Aqua Terra, case size is 41mm, available with box and papers.

  • Condition: Pre-owned
  • Case Size: 41mm
  • Box Card Papers: Yes (both included)
  • Model: Seamaster Aqua Terra
Posted at
May 14, 2026, 11:12 AM
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[WTS] Omega Seamaster Aqua Terra 231.10.39.21.01.001 Black Teak 38.5mm - $2,690

Omega Seamaster Aqua Terra 231.10.39.21.01.001 Black Teak 38.5mm - $2,690

Omega - 231.10.39.21.01.001 · $2,690
Up for sale is my great condition Omega Seamaster Aqua Terra with an automatic Omega Calibre 8500 movement.

  • Condition: Very good condition, minimal marks/hairlines
  • Case size: 38.5mm diameter
  • Movement: Omega Calibre 8500, automatic
Posted at
May 14, 2026, 4:26 AM
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