IWC Da Vinci Perpetual Calendar Chronograph

The perpetual calendar’s extreme precision is made possible by the in-house 89630 calibre. The moon phase display diverges by just 1 day in 577.5 years from the actual phase of the moon. The hour and minute counters are combined in a totalizer at “12 o’clock”, enabling stopped times to be read like a second time […]


The first IWC Da Vinci watch was a landmark piece in terms of its movement technology. Equipped with the first Swiss-made quartz movement – which had been jointly developed by several renowned Swiss watch manufacturers – it measured time ten times more accurately than a tested chronometer movement. IWC Da Vinci Perpetual Calendar Introduced in […]