IWC Schaffhausen - Aquatimer

Aquatimer Chronograph

Stainless steel case, 44.0 mm. Made in Schaffhausen, Switzerland. Model IW376803
Editor's notes

The distinctly puristic design of the dial and the more reserved choice of colours and shapes reference the look of the first Aquatimer released in 1967 and gives it a more modern reinterpretation. The chronograph function handles single stop times and aggregate timing up to 12 hours and is a reliable companion even on long dives. Even with three subdials and a date and day display, the black dial is remarkably uncluttered. The external/internal rotating bezel with a SafeDive system designed to prevent inadvertent changes of the dive time boosts the practical use of the diver’s watch, as does the increase in water-resistance to 30 bar. The protective cover for the sliding clutch system at “9 o’clock” blends seamlessly into the overall look of the watch. Ticking away inside the 44-millimetre stainless-steel case is the robust 79320-calibre chronograph movement with a 44-hour power reserve. The watch is supplied with a black rubber strap.


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Technical Specifications


79320 Calibre

Automatic, self-winding

44 hours Power Reserve

240 Components

25 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 hours, minutes and seconds

Date and day display

Sapphire glass, convex, antireflective coating on both sides

Small hacking seconds

IWC bracelet quick-change system


Stainless steel case

Diameter 44.0 mm

Height 17.0 mm

Water resistance 30 bar

Screw in crown

IWC Aquatimer Chronograph IW376803 TechnicalSpecifications FINAL
IWC Aquatimer Chronograph IW376803 TechnicalSpecifications FINAL

Discover Also

IWC Schaffhausen

Aquatimer Chronograph


Stainless steel case, 44.0 mm


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