IWC Schaffhausen - Aquatimer

Aquatimer Chronograph Edition “Expedition Charles Darwin”

Bronze case, 44.0 mm. Made in Schaffhausen, Switzerland. Model IW379503
Editor's notes

The choice of bronze for the case pays homage to the well-known ship, HMS Beagle, that carried Charles Darwin on his expedition to the Galapagos Islands. In those days, bronze – which is non-corrosive – was used for portholes, fittings and nautical instruments. Depending on the use to which it is put, bronze develops a patina in the course of time and darkens in colour, giving the Aquatimer Chronograph Edition “Expedition Charles Darwin” its own unmistakable character. The bronze tone recurs in the luminescent material on the hands, indices and quarter-hour scale on the internal rotating bezel. Equipped with the IWC-manufactured 89365 movement, rubber-coated push-buttons, the SafeDive system and water-resistance to 30 bar, this special edition is ideal for expeditions in this day and age both on land and underwater. The engraving on the back is an expressive portrait of Darwin, whose revolutionary theory of evolution changed our way of thinking for ever.


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Technical Specifications


89365 Calibre

IWC-manufactured movement

Automatic, self-winding

68 hours Power Reserve

294 Components

35 Jewels

Côtes de Genève, perlage


Black rubber strap with IWC-patented quick-change system

Strap width 22 mm


Black dial with luminescence


Mechanical external/internal rotating bezel with SafeDive system

Chronograph function with minutes and seconds

Flyback function

Date display

Sapphire glass, convex, antireflective coating on both sides

Small hacking seconds

IWC bracelet quick-change system


Bronze case

Diameter 44.0 mm

Height 16.9 mm

Water resistance 30 bar

Screw in crown

IWC Aquatimer ChronographEditionExpeditionCharlesDarwin IW379503 TechnicalSpecifications FINAL
IWC Aquatimer ChronographEditionExpeditionCharlesDarwin IW379503 TechnicalSpecifications FINAL

Discover Also

IWC Schaffhausen

Aquatimer Chronograph Edition “Galapagos Islands”


Stainless steel with vulcanized rubber-coating case, 45.0 mm


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