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.

Buy Now on Jomashop

This is an affiliate link

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

Omega Seamaster Aqua Terra 220.10.34.20.10.003 34mm Shell Pink Box Papers

Omega - 220.10.34.20.10.003 · $5,725

The Omega Seamaster Aqua Terra Shades features a 34mm stainless steel case with a shell pink dial and 18K white gold indexes. It is powered by the Calibre 8800, Co-Axial Master Chronometer with a 55-hour power reserve and has 150m water resistance.

Condition: Excellent, near mint condition with faint handling marks on the case and bracelet
Case size: 34mm diameter
Water resistance: 150m depth rating
Bracelet type: fully linked stainless steel bracelet

Posted at

Jan 27, 2026, 4:57 PM

Active

View listing on r/WatchExchange

Omega Aqua Terra “Ryder Cup” Special Edition 41.5mm

Omega - 231.10.42.21.02.004 · $4,345

The Omega Aqua Terra 150M ‘Ryder Cup’ Special Edition is a 41.5mm stainless steel automatic watch released to commemorate the 2015/2016 Ryder Cup, featuring a unique silver, textured dial with red and blue accents, an 18kt yellow gold seconds hand, and the anti-magnetic Co-Axial caliber 8500.

Condition: Excellent Condition
Case Size: 41.5mm
Diameter: 41.5mm
Wrist Size Compatible: 7.75"

Posted at

Jan 27, 2026, 2:17 PM

Active

View listing on r/WatchExchange

Omega Seamaster Aqua Terra 150m Blue 220.10.41.21.03.002

Omega - 220.10.41.21.03.002 · $3,999

This Omega Seamaster Aqua Terra 150m Blue is a high-end watch with a 7.25 inch bracelet, and comes with all three cards of documentation.

Condition: Mint with papers
Bracelet length: 7.25 inches

Posted at

Jan 27, 2026, 10:10 AM

Active

View listing on r/WatchExchange

Omega Seamaster Aqua Terra - ‘Blue Wave’ Gold Accents

Omega - 23110422103006 · $5,250

This Omega Seamaster Aqua Terra features a striking blue dial with wave pattern and 18K yellow gold accents, housed in a 41.5mm stainless steel case on a stainless steel bracelet.

Condition: Excellent
Case size: 41.5mm
Material: Stainless steel
Bracelet material: Stainless steel

Posted at

Jan 25, 2026, 7:31 PM

Active

View listing on r/WatchExchange

Omega Seamaster Aqua Terra Green "Golf" Edition 41.5mm Stainless Steel 231.10.42.21.01.004

Omega - 231.10.42.21.01.004

Posted at

Jan 25, 2026, 7:11 PM

Active

View listing on r/WatchExchange

Omega Seamaster Aqua Terra 150M 41.5 mm, Cards Included... Ref: 231.10.42.21.03.003

Omega - 231.10.42.21.03.003 · $3,550

Aqua Terra 150M, 41.5 mm in diameter

Case size: 41.5mm
Shipping method: Fedex with insurance

Posted at

Jan 25, 2026, 3:47 PM

Active

View listing on r/WatchExchange

Omega Aqua Terra 2504.50 with Bracelet // 36mm // 150m WR // 2025 Full Service

Omega - 2504.50 · $2,700

A modern classic, the Omega Aqua Terra with a black dial and co-axial movement is perfect for everyday wear, suitable for various activities such as swimming or formal events.

Condition: Great, light hairlines throughout but no major blemishes
Case Material: Stainless steel
Diameter: 36.2mm
Lug To Lug: 44mm

Posted at

Jan 25, 2026, 3:11 PM

Active

View listing on r/WatchExchange