Omega Aqua Terra Seamaster Aqua Terra 150M Master Chronometer 41 Armand “Mondo” Duplantis

Reference 220.12.41.21.03.009

Omega Seamaster Aqua Terra 150M Master Chronometer 41 Armand “Mondo” Duplantis

About this watch

The Omega Seamaster Aqua Terra 150M Master Chronometer 41 Armand ‘Mondo’ Duplantis is a masterclass in watchmaking, blending stunning aesthetics with innovative movement and robust functionality. This sporty yet elegant timepiece seamlessly transitions from the boardroom to the beach, making it a perfect companion for any occasion. With its METAS-certified Omega caliber 8900 movement, this watch boasts superior performance and precision, featuring resistance to magnetic fields exceeding 15,000 Gauss. The automatic movement boasts a power reserve of 60 hours, ensuring accurate timekeeping even in the presence of electronic devices. Whether you're timing your next run or checking the date for your next appointment, the Aqua Terra has you covered with its chronometer certification and comfortable stainless steel bracelet. This watch is not just a statement of style and performance; it's an investment in luxury and legacy.
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Key Features

  • Omega caliber 8900 movement
  • METAS-certified for superior precision and resistance to magnetic fields
  • Chronometer certification for accuracy and reliability
  • Stainless steel case with sapphire crystal for scratch-resistance and water-resistance up to 150m
  • Comfortable stainless steel bracelet with lug width of 20mm
  • Automatic movement with power reserve of 60 hours
  • Stunning blue gradient dial with stick/dot indexes and arrow hands

Specifications

Brand
Omega
Family
Aqua Terra
Model
Seamaster Aqua Terra 150M Master Chronometer 41 Armand “Mondo” Duplantis
Reference
220.12.41.21.03.009
Movement
8900
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
Stainless Steel 41mm
Dial Color
Blue
Crystal
Sapphire
Water Resistance
150

Current Listings

[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
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
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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 - 220.12.38.21.10.001 · $5,750
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
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[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

Omega - 231.10.42.21.02.001 · $2,895
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
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[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

Omega - 231.10.42.21.02.002 · $3,249
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
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[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

Omega - 231.10.39.21.03.001 · $3,350
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
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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 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
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[WTS] Omega Seamaster Aqua Terra 39mm. Box & paper

Omega Seamaster Aqua Terra 39mm. Box & paper

Omega - 2503.30.00 · $2,700
A super clean Omega Seamaster Aqua Terra 150M in the highly desirable 39.2mm case size, featuring a stunning sunray silver dial and chronometer-certified Calibre 2500 Co-Axial movement.

  • Condition: Excellent
  • Case Diameter: 39.2mm
  • Water Resistance: 150m (500ft)
  • Power Reserve: 48 hours
Posted at
Apr 28, 2026, 4:59 PM
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[WTS] 2021 Omega Aqua Terra Ref# 220.12.41.21.02.001

2021 Omega Aqua Terra Ref# 220.12.41.21.02.001

Omega - 220.12.41.21.02.001 · $4,750
The Omega Aqua Terra is a versatile watch with a 41mm case, silver dial with teak pattern, and orange accents. It's powered by an in-house Co-Axial Master Chronometer movement delivering exceptional accuracy and anti-magnetic resistance.

  • Condition: Good, professionally polished April 2026
  • Year: 2021
  • Size: 41mm diameter
  • Power reserve: 60 hours
Posted at
Apr 28, 2026, 4:37 PM
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[WTS] Omega Seamaster Aqua Terra Skyfall 231.10.39 38.5mm - $3,250

Omega Seamaster Aqua Terra Skyfall 231.10.39 38.5mm - $3,250

Omega - 231.10.39.21.03.001 · $3,250
Up for sale is my great condition Omega Seamaster Aqua Terra 'Skyfall' with a Calibre OMEGA 8500 automatic movement and a steel case.

  • Condition: Great condition, minimal marks/hairlines on the case back and some smudging/scratches present on the AR coating
  • Case size: 39mm diameter
  • Movement type: Calibre OMEGA 8500 automatic
  • Bracelet type: original steel Omega steel bracelet
Posted at
Apr 27, 2026, 9:04 PM
Active
View listing on r/WatchExchange