With its articulated strap horns and the perpetual calendar, the Da Vinci Perpetual Calendar Chronograph in 18-carat 5N gold represents the very best of over 30 years of the Da Vinci family. The moon remains still against the dark blue night sky while the moon-phase indicator disc beneath the dial acts as the earth’s shadow and imitates the waxing and waning of the moon. 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 of day. Thanks to the flyback function, this watch allows ongoing chronograph time measurements to be instantly “deleted” and a new measurement started without an intermediate stop.
18 ct 5N gold case Diameter 43.0 mm Height 15.7 mm See-through sapphire glass back Water resistance 3 bar
89630 Calibre IWC-manufactured movement Automatic, self-winding 68 hours Power Reserve Frequency 28800.0 vph (4.0 hz) 399 Components 51 Jewels Côtes de Genève, perlage
Perpetual calendar with displays for the date, day, month, year in four digits and perpetual moon phase Chronograph function with hours, minutes and seconds Hour and minute counters combined in a totalizer at 12 o’clock Flyback function Sapphire glass, arched-edge, antireflective coating on both sides Small hacking seconds
Dark brown alligator leather strap by Santoni Strap width 20 mm