AUTOMATIC • Analog • Chronograph: Chronograph, Flyback, Column wheel
Hands: Hours, Minutes, Small Seconds
Tourbillon Escapement
Jewels
52
Reserve
68 h
Frequency
28,800 vph (4.0 Hz)
Diameter
30 mm
Height
-
About this caliber
IWC caliber 89900 is an in-house movement pairing a flyback chronograph and retrograde date indicator with a tourbillon escapement. It was introduced in the 2017 Da Vinci Tourbillon Rétrograde Chronograph.
Details to be confirmed.