Omega Aqua Terra Seamaster Aqua Terra 150M Master Co-Axial 38.5 Stainless Steel / MOP / Bracelet

Reference 231.10.39.21.55.002

Omega Seamaster Aqua Terra 150M Master Co-Axial 38.5 Stainless Steel / MOP / Bracelet

About this watch

The Omega Aqua Terra 231.10.39.21.55.002 is a masterpiece of luxury watchmaking, blending timeless design with exceptional technical specifications. The round case, measuring 38.5 mm in diameter, features a mother-of-pearl dial with gem-set indexes that add a touch of luxury. At its heart lies the Omega caliber 8500, an automatic movement boasting a co-axial escapement and 60-hour power reserve. This marvel of horological innovation provides precise timekeeping and withstands up to 150 meters of water resistance. The stainless steel case and bracelet are both durable and stylish, perfect for everyday wear or adventurous pursuits. With its unique character and exceptional craftsmanship, the Aqua Terra is a worthy investment for those who value quality, style, and precision.
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MSRP: $7,700
Market Price: $3,551

Key Features

  • Omega caliber 8500 automatic movement
  • Mother-of-pearl dial with gem-set indexes
  • Stainless steel case and bracelet
  • Water resistance up to 150 meters
  • 60-hour power reserve
  • Co-axial escapement for precise timekeeping

Specifications

Brand
Omega
Family
Aqua Terra
Model
Seamaster Aqua Terra 150M Master Co-Axial 38.5 Stainless Steel / MOP / Bracelet
Reference
231.10.39.21.55.002
Movement
8500
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
Stainless Steel 38.5mm
Dial Color
White
Crystal
Sapphire
Water Resistance
150

Current Listings

[WTS] Omega Aqua Terra 231.10.39 Cal 8500 38.5 mm Master Co-Axial Box and Papers - $3,250

Omega Aqua Terra 231.10.39 Cal 8500 38.5 mm Master Co-Axial Box and Papers - $3,250

Omega - 231.10.39.21.02.002 Cal 8500 · $3,250
Up for sale is my Omega Aqua Terra 231.10.39.21.02.002 Cal 8500, measuring at 39mm with a Calibre OMEGA 8500 movement.

  • Condition: 8.9/10, great condition with minimal marks on the case and bracelet
  • Case size: 39mm diameter
  • Movement: Calibre OMEGA 8500
  • Bracelet material: steel
Posted at
May 11, 2026, 10:10 PM
Active
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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 231.10.39.21.02.002 Cal 8500. This watch measures at 39mm and has an Calibre OMEGA 8500 movement.

  • Condition: Great condition, minimal marks on the case and bracelet
  • Movement: Calibre OMEGA 8500
  • Case size: 39mm diameter
  • Bracelet type: Original Omega steel bracelet, replaced with OEM all brushed version
Posted at
May 11, 2026, 10:06 PM
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[WTS] Omega Seamaster Aqua Terra 231.10.39.21.01.001 Black Teak 38.5mm - $2,790

Omega Seamaster Aqua Terra 231.10.39.21.01.001 Black Teak 38.5mm - $2,790

Omega - 231.10.39.21.01.001 · $2,790
Up for sale is my great condition Omega Seamaster Aqua Terra 231.10.39.21.01.001. This watch measures at 38.5mm and has an automatic Omega Calibre 8500 movement.

  • Condition: Very good condition for its age, minimal marks/hairlines
  • Case Size: 38.5mm diameter
  • Movement: Omega Calibre 8500, automatic
Posted at
May 11, 2026, 10:01 PM
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[WTS] Omega Seamaster Aqua Terra - Black 39mm - 2503.50

Omega Seamaster Aqua Terra - Black 39mm - 2503.50

Omega - 2503.5 · $2,750
A 39mm Omega Seamaster Aqua Terra in black, with minor wear throughout and a small mark on the bezel/crystal near the 12 o'clock marker.

  • Condition: Pre-owned, minor wear throughout
  • Size: 39mm diameter
  • Bezel mark: small mark on bezel/crystal near the 12 o'clock marker
Posted at
May 11, 2026, 5:33 PM
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[WTS] Omega Seamaster Aqua Terra Rose Gold 38mm with box and papers

Omega Seamaster Aqua Terra Rose Gold 38mm with box and papers

Omega - 220.20.38.20.02.001 · $8,000
This Omega Seamaster Aqua Terra is a 38mm rose gold watch with a clean and balanced design, featuring stainless steel and rose gold accents that add depth and elegance.

  • Condition: Excellent
  • Case Size: 38mm diameter
  • Year: 2021 (dated December)
  • Box And Papers: complete set including warranty card, booklets, cloth bag, and all links
Posted at
May 11, 2026, 11:06 AM
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[WTS] Omega Aqua Terra 2504.50 36mm First Gen Automatic $2,500 (Recently Serviced)

Omega Aqua Terra 2504.50 36mm First Gen Automatic $2,500 (Recently Serviced)

Omega - 2504.50 · $2,500
The Omega Aqua Terra is a first-generation automatic watch with a 36mm case size, powered by the 2500B movement.

  • Condition: Excellent condition, freshly polished
  • Movement: 2500B
  • Size: 36mm diameter
  • Length of strap: up to 18.5cm
Posted at
May 11, 2026, 9:00 AM
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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 is a 41mm stainless steel automatic watch with a grey teak dial, accompanied by its original outer box, inner box, and undated warranty card.

  • Condition: Very good
  • Movement: Automatic
  • Case size: 41mm diameter
  • Bracelet material: Stainless steel
Posted at
May 11, 2026, 8:54 AM
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[WTS] Omega Seamaster Aqua Terra 150m, 41mm (Ref: 220.10.41.21.02.004) Small Seconds - $4500 USD Shipped

Omega Seamaster Aqua Terra 150m, 41mm (Ref: 220.10.41.21.02.004) Small Seconds - $4500 USD Shipped

Omega - 220.10.41.21.02.004 · $4,500
This Omega Seamaster Aqua Terra 150M is a 41mm watch with a silver dial and blue accents, featuring small seconds.

  • Condition: lightly used with minor wear
  • Case diameter: 41mm
  • Water resistance: 150m
Posted at
May 11, 2026, 3:33 AM
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[WTS] OMEGA Seamaster Aqua Terra “Shades” 38mm 220.20.38.20.02.002 Two Tone “Moonshine” Gold Complete Set

OMEGA Seamaster Aqua Terra “Shades” 38mm 220.20.38.20.02.002 Two Tone “Moonshine” Gold Complete Set

OMEGA - 220.20.38.20.02.002 · $9,650
The OMEGA Seamaster Aqua Terra 'Shades' is a limited edition watch released in 2024, featuring a 38mm case, two-tone bracelet, and sunburst silver dial. It's powered by the Co-Axial Master Chronometer 8800 movement and comes with a factory warranty until 2029.

  • Condition: Excellent pre-owned condition
  • Case size: 38mm
  • Case material: Stainless Steel / 18k Moonshine Gold
  • Bezel material: 18k Moonshine Gold
Posted at
May 10, 2026, 11:43 PM
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