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

Reference 220.12.41.21.03.009

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 Seamaster Aqua Terra 38 Green 220.12.38.20.10.001

Omega Seamaster Aqua Terra 38 Green 220.12.38.20.10.001

This Omega Seamaster Aqua Terra 38 is a recent purchase from Watchmaxx and comes with the watch's original box, papers, and tag.

  • Condition: Mint
  • Year Bought: few months ago
  • Original Strap: yes
  • Additional Straps: TUNS green leather strap
Posted at
Jan 30, 2026, 1:57 PM
Active
[WTS] Omega Aqua Terra White 41mm 2025 Full Set - $5100

Omega Aqua Terra White 41mm 2025 Full Set - $5100

Omega - Aqua Terra · $5,100
This Omega Aqua Terra is a lovely watch with a white dial. It features a Caliber 8900 movement with a jumping hour hand.

  • Condition: Excellent, with minor scratches on bezel and bracelet
  • Case dimensions: 41mm x 13.2mm, 47.9mm lug to lug
  • Movement: Caliber 8900 (Jumping hour hand)
  • Inclusions: box, international warranty card, master chronometer card, pictograms card, OEM rubber strap, additional links
Posted at
Jan 30, 2026, 1:45 AM
Active
[WTS] Omega Seamaster Aqua Terra 38.5mm – “Grey Skyfall Teak Dial | Ref. 231.10.39.21.06.001 | 2020 | Full Set | Excellent

Omega Seamaster Aqua Terra 38.5mm – “Grey Skyfall Teak Dial | Ref. 231.10.39.21.06.001 | 2020 | Full Set | Excellent

This Omega Seamaster Aqua Terra features a highly sought-after grey teak dial and a smooth in-house Calibre 8500 Co-Axial movement with 60-hour power reserve.

  • Condition: Excellent
  • Case size: 38.5mm diameter
  • Calibre: in-house Calibre 8500 Co-Axial
  • Power reserve: 60 hours
Posted at
Jan 30, 2026, 12:28 AM
Active
[WTS] Omega Aqua Terra 231.10.39 Cal 8500 39mm Box and Papers - $2,790 - Reserved post for u/taybrian10

Omega Aqua Terra 231.10.39 Cal 8500 39mm Box and Papers - $2,790 - Reserved post for u/taybrian10

This Omega Aqua Terra 231.10.39 Cal 8500 has a 39mm steel case, Calibre OMEGA 8500 movement, and original Omega steel bracelet.

  • Condition: Great condition, minor marks on the case and caseback
  • Case diameter: 39mm
  • Movement: Calibre OMEGA 8500
  • Bracelet material: Steel
Posted at
Jan 29, 2026, 7:46 PM
Active
[WTS] 2022 Omega Aqua Terra 150M 41mm Blue Teak Dial 9/22 Ref# 220.10.41.21.03.002 $3899.00

2022 Omega Aqua Terra 150M 41mm Blue Teak Dial 9/22 Ref# 220.10.41.21.03.002 $3899.00

Aqua Terra 150M watch featuring a beautiful domed blue teak dial, automatic self-winding movement, and 41mm case size. It has a brushed and polished stainless steel bracelet with a butterfly clasp and offers 150M water resistance.

  • Condition: Great pre-owned shape with some hairlines on the clasp, bracelet, and bezel.
  • Diameter: 41mm
  • Water Resistance: 150M
  • Movement: Automatic self-winding 8900 METAS Caliber
Posted at
Jan 29, 2026, 5:01 PM
Active
[WTS] Omega Aqua Terra Small Seconds 150M - Box & Papers

Omega Aqua Terra Small Seconds 150M - Box & Papers

This Omega Aqua Terra Small Seconds features a 41mm case, 150m water resistance, and is powered by the COSC/METAS movement.

  • Condition: In great condition, with light markings from limited wear on bezel.
  • Water Resistance: 150m
  • Case Size: 41mm diameter
  • Movement: 8916 COSC/METAS
Posted at
Jan 29, 2026, 9:42 AM
Active
[WTS] Omega Aqua Terra Sandstone 220.10.38 38mm Cheapest - $3,650

Omega Aqua Terra Sandstone 220.10.38 38mm Cheapest - $3,650

Omega - 220.10.38 · $3,650
Up for sale is my Omega Seamaster Aqua Terra ref. 220.10.38 with a Calibre OMEGA 8800 movement.

  • Condition: Great condition, minimal marks on case and crystal
  • Size: 38mm diameter
  • Bracelet type: original Omega steel bracelet
Posted at
Jan 28, 2026, 7:59 PM
Active
[WTS] Brand New Omega Seamaster Aqua Terra 150M Green Dial - Ref. 220.10.41.21.10.001

Brand New Omega Seamaster Aqua Terra 150M Green Dial - Ref. 220.10.41.21.10.001

This Omega Seamaster Aqua Terra 150M features a green dial, comes with a full set of accessories, and is guaranteed to be 100% authentic.

  • Condition: Brand new, unworn
  • Set contents: Omega box, outer box, booklet, warranty card dated 2021, chronometer card, pictogram card, hangtag
  • Year: 2021
Posted at
Jan 28, 2026, 2:52 PM
Active
[WTS] Omega Seamaster Aqua Terra “Skyfall” Black Teak 38.5mm|Ref. 231.10.39.21.01.001 | Discontinued | Full Set | Mint Condition| 2023 | Active Factory Warranty

Omega Seamaster Aqua Terra “Skyfall” Black Teak 38.5mm|Ref. 231.10.39.21.01.001 | Discontinued | Full Set | Mint Condition| 2023 | Active Factory Warranty

A discontinued Omega Seamaster Aqua Terra “Skyfall” Black Teak in a refined and timeless design, featuring a black teak-concept dial and powered by Omega’s Co-Axial Calibre 8500.

  • Condition: Mint condition
  • Case size: 38.5mm diameter
  • Bracelet length: up to 18cm
  • Movement: in-house Co-Axial Calibre 8500
Posted at
Jan 28, 2026, 9:30 AM
Active