Omega Aqua Terra Seamaster Aqua Terra 150M Co-Axial 38.5 Stainless Steel / Yellow Gold / MOP

Reference 231.23.39.21.55.002

Omega Seamaster Aqua Terra 150M Co-Axial 38.5 Stainless Steel / Yellow Gold / MOP

About this watch

The Omega Seamaster Aqua Terra 150M Co-Axial 38.5 is a masterclass in luxury watchmaking, combining stunning design with advanced movement technology. This Swiss-made timepiece boasts a harmonious blend of stainless steel and yellow gold, topped off with a lustrous Mother of Pearl (MOP) dial that adds an ethereal quality to the watch. The Aqua Terra's round shape measures 38.50 mm in diameter, making it suitable for a wide range of wrist sizes. With a water resistance of 150 meters, this watch is ready for a dip in the pool or a day at the beach. Its chronometer certification ensures accuracy and precision, while the open case back showcases the intricate mechanics working away like a tiny universe contained within your wrist.
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Key Features

  • Omega Caliber 8500 automatic movement
  • Mother of Pearl (MOP) dial with stick and dot indexes
  • Chronometer certification for accuracy and precision
  • Water resistance up to 150 meters
  • Stainless steel and yellow gold case
  • Open case back showcases intricate mechanics
  • Comfortable strap design for everyday wear

Specifications

Brand
Omega
Family
Aqua Terra
Model
Seamaster Aqua Terra 150M Co-Axial 38.5 Stainless Steel / Yellow Gold / MOP
Reference
231.23.39.21.55.002
Movement
8500
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
38.5mm
Dial Color
White
Crystal
Sapphire
Water Resistance
150

Current Listings

[WTS] Omega Aqua Terra 8900 41mm Turquoise / Black Ceramic 220.32.41.21.03.001 ( new / 2026 / box and papers )

Omega Aqua Terra 8900 41mm Turquoise / Black Ceramic 220.32.41.21.03.001 ( new / 2026 / box and papers )

Omega - 220.32.41.21.03.001 · $6,995
This Omega Aqua Terra 8900 features a Turquoise dial with Black Ceramic Bezel on a Rubber Strap, and comes complete with all boxes, papers, and an Omega Warranty Card.

  • Condition: Brand new
  • Case material: stainless steel / black ceramic
  • Movement type: master chronometer
Posted at
May 15, 2026, 12:43 PM
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[WTS] Omega Aqua Terra 8900 41mm Lacquer Black 220.10.41.21.01.002 ( new / 2026 / box and papers )

Omega Aqua Terra 8900 41mm Lacquer Black 220.10.41.21.01.002 ( new / 2026 / box and papers )

Omega - 220.10.41.21.01.002 · $6,250
The Omega Aqua Terra 8900 is a stainless steel watch with a lacquer black dial and a 41mm case.

  • Condition: Brand new
  • Case material: Stainless Steel
  • Movement type: Master Chronometer
Posted at
May 15, 2026, 12:38 PM
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[WTS] Omega Aqua Terra 8900 41mm Green Dial 220.10.41.21.10.001 ( new / 2026 / box and papers )

Omega Aqua Terra 8900 41mm Green Dial 220.10.41.21.10.001 ( new / 2026 / box and papers )

Omega - 220.10.41.21.10.001 · $5,995
This Omega Aqua Terra 8900 features a 41mm stainless steel case with a master co-axial movement and green dial.

  • Condition: Brand new
  • Case size: 41mm diameter
  • Movement type: master co-axial
Posted at
May 15, 2026, 12:31 PM
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[WTS] Omega Aqua Terra 8800 38mm Green Diver 220.12.38.20.10.001 ( new / 2026 / box and papers )

Omega Aqua Terra 8800 38mm Green Diver 220.12.38.20.10.001 ( new / 2026 / box and papers )

Omega - 220.12.38.20.10.001 · $5,750
This Omega Aqua Terra 8800 features a 38mm stainless steel case, green dial, and co-axial movement.

  • Condition: Brand new
  • Case size: 38mm diameter
  • Movement type: Master Co-Axial
Posted at
May 15, 2026, 12:25 PM
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[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
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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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