Omega Aqua Terra Seamaster Aqua Terra 150M Master Chronometer 38 Stainless Steel / Sedna Gold / MOP / Bracelet

Reference 220.20.38.20.55.001

About this watch

The Omega Aqua Terra 220.20.38.20.55.001 is an exquisite timepiece that embodies luxury, precision, and versatility. This stunning watch boasts a rich history, exceptional craftsmanship, and cutting-edge technology. The combination of stainless steel and Sedna gold gives it an unparalleled luxurious feel, while the mother of pearl dial adds a touch of sophistication. With its Master Chronometer certification, this watch is resistant to magnetic fields of up to 15,000 gauss, ensuring accurate timekeeping. Its adjustable bracelet provides a secure and comfortable fit on the wrist. Whether you're swimming in the ocean or attending a formal event, this watch adapts seamlessly to any occasion. Its elegant design makes it suitable for formal events, while its robust build ensures it holds up during outdoor adventures. With a remarkable power reserve of 55 hours, this automatic movement is a marvel of engineering. The Omega caliber 8800 not only meets but exceeds the standards for chronometer certification, ensuring precise timekeeping and reliability.
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MSRP: $14,600
Market Price: $8,686

Key Features

  • Omega caliber 8800 movement with 55-hour power reserve
  • Master Chronometer certification for maximum accuracy
  • 150-meter water resistance for underwater adventures
  • Stainless steel and Sedna gold construction for luxurious feel
  • Mother of pearl dial with gem-set indexes for added sophistication
  • Adjustable bracelet for secure and comfortable fit

Specifications

Brand
Omega
Family
Aqua Terra
Model
Seamaster Aqua Terra 150M Master Chronometer 38 Stainless Steel / Sedna Gold / MOP / Bracelet
Reference
220.20.38.20.55.001
Movement
8800
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
38mm
Dial Color
White
Crystal
Sapphire
Water Resistance
150

Current Listings

[WTS] Omega Seamaster Aqua Terra 231.10.39.21.01.001 Black Teak 38.5mm  - $2,890

Omega Seamaster Aqua Terra 231.10.39.21.01.001 Black Teak 38.5mm - $2,890

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, minimal marks/hairlines
  • Case size: 38.5mm diameter
  • Bracelet material: Steel
  • Movement type: Automatic
Posted at
Apr 29, 2026, 10:09 PM
Active
[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 )

Up for sale is a brand new Omega Aqua Terra 8900 with a Turquoise dial and Black Ceramic Bezel on Rubber Strap, complete with all boxes and papers.

  • Condition: Brand new
  • Case material: Stainless Steel / Black Ceramic
  • Movement: Master Chronometer Movement
Posted at
Apr 29, 2026, 2:35 PM
Active
[WTS] 2020 Omega Aqua Terra Captain’s Watch White/silver 6/20 Ref# 231.10.42.21.02.002 $3,249.00

2020 Omega Aqua Terra Captain’s Watch White/silver 6/20 Ref# 231.10.42.21.02.002 $3,249.00

2020 Omega Aqua Terra Captain's Watch features a beautiful silvery white dial with Teak pattern, automatic self-winding movement, and 150M water resistance.

  • Condition: Fantastic condition, few hairlines on the polished bezel and links
  • Case size: 41.5mm diameter
  • Bracelet length: fits 7" wrist
  • Water resistance: 150m depth rating
Posted at
Apr 29, 2026, 2:35 PM
Active
[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 )

Aqua Terra 8900 Green Dial, featuring a 41mm stainless steel case and master co-axial movement.

  • Condition: Brand new
  • Case size: 41mm diameter
  • Movement: Master Co-Axial
Posted at
Apr 29, 2026, 2:31 PM
Active
[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 )

This Omega Aqua Terra 8800 is a brand new stainless steel watch with a green dial, featuring a Master Co-Axial movement and measuring 38mm in diameter.

  • Condition: Brand new
  • Case material: Stainless Steel
  • Movement type: Master Co-Axial
Posted at
Apr 29, 2026, 2:25 PM
Active
[WTS] Omega Seamaster Aqua Terra 41.5mm - 231.10.42.21.02.001 - White Teak Automatic

Omega Seamaster Aqua Terra 41.5mm - 231.10.42.21.02.001 - White Teak Automatic

This is a watch-only example of the Omega Seamaster Aqua Terra in White Teak Automatic, featuring a 41.5mm size and model number 231.10.42.21.02.001.

  • Condition: Very clean pre-owned condition with light wear
  • Diameter: 41.5mm
Posted at
Apr 29, 2026, 12:30 PM
Active
[WTS] 2020 Omega Aqua Terra Captain’s Watch White/silver 6/20 Ref# 231.10.42.21.02.002 $3,249.00

2020 Omega Aqua Terra Captain’s Watch White/silver 6/20 Ref# 231.10.42.21.02.002 $3,249.00

This 2020 Omega Aqua Terra Captain’s Watch features a beautiful silvery white dial with Teak pattern, automatic self-winding movement, and a 41.5mm case size.

  • Condition: Fantastic condition, with a few minor flaws
  • Diameter: 41.5mm
  • Water resistance: 150m
  • Power reserve: 60 hours
Posted at
Apr 29, 2026, 10:03 AM
Active
[WTS] Omega Seamaster Aqua Terra Skyfall 231.10.39 38.5mm - $3,350 - Reserved post for u/Pliskin01

Omega Seamaster Aqua Terra Skyfall 231.10.39 38.5mm - $3,350 - Reserved post for u/Pliskin01

Up for sale is my Omega Seamaster Aqua Terra 'Skyfall' with a Calibre OMEGA 8500 automatic movement and a 38.5mm diameter case.

  • Condition: Great condition, minor marks/hairlines on the case
  • Case size: 39mm diameter
  • Movement: Calibre OMEGA 8500 automatic
  • Bracelet: Original steel Omega steel bracelet
Posted at
Apr 29, 2026, 4:03 AM
Active
[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

Up for sale is my Omega Aqua Terra 231.10.39 Cal 8500 in great condition. This watch measures at 39mm and has an original Omega steel bracelet.

  • Condition: Great condition, minor marks on the case and caseback
  • Bracelet type: Original Omega steel bracelet, replaced with OEM all brushed version
  • Case size: 39mm diameter
  • Movement: Calibre OMEGA 8500
Posted at
Apr 28, 2026, 9:06 PM
Active