Da Vinci Automatic
Da Vinci Chronograph
Da Vinci Perpetual Calendar Digital Date-Month
Da Vinci Perpetual Calendar Edition Kurt Klaus
Designed and manufactured completely by IWC in Schaffhausen, the 89360-calibre chronograph movement and its successor, the 89361, feature a significantly improved self-winding system and set new watchmaking standards. The design, which occupied an IWC development team for a full 4 years, was necessitated by a revolutionary chronograph display that enables the user to read off even relatively long periods of stopped times – 8 hours and 52 minutes, for example – at a glance: a circular totalizer combines the hour and minute hands as if they were a watch-within-a-watch. In 2012, it was joined by the newly developed 89365 chronograph movement including a stopwatch function with minutes and seconds as well as a flyback function. After further development, the IWC-manufactured movement was known as the 89800 calibre and used for the big digital date and month displays in References 3761 and 3791. The new Ingenieur Perpetual Calendar Digital Date-Month comes equipped with a further development on the theme, the 89802 calibre.
The innovative tonneau-shaped case
The 89361 calibre allows stopped times of longer than a minute to be read off easily on a subdial
Small hacking seconds and date display
See-through sapphire-glass back
In 1985, with its unrivalled Da Vinci calendar/chronograph movement, IWC heralded the arrival of a new age in mechanics. Then, in 2007, the Da Vinci Chronograph, featuring an IWC-manufactured movement from the 89000-calibre family in an innovative tonneau-shaped case with a glass back cover, marked the advent of another new and exciting future. As in the past, it records seconds with the large central chronograph hand but displays longer periods of time in an easily legible form, with two analogue hands, on a single subdial. Stopped hours and minutes can be read off immediately and unmistakably as if on a second time display. They no longer need to be viewed in separate counters and added together. This innovation, which is based on an extremely sophisticated movement design, has substantially increased the chronograph’s practical benefits.
The Da Vinci Chronograph with the IWC-manufactured 89361 calibre marks the beginning of a new age in time measurement. It displays recorded hours and minutes in an analogue display in a single subdial. This means the stop time can be read off as easily as the time of day.
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Christine Schlatter trained as a watchmaker with IWC. For the past ten years, she has been showing visitors around the factory in ...