IWC caliber 51612

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Brand:IWC
Reference:51612
Base: IWC 51610
Movement:Automatic
Display:Analog
Diameter:38.20
Jewels:62
Reserve:168
Frequency:21600
Date:Date, Day, Month, Perpetual Calendar, Year Indicator
Hands:Hours, Minutes, Small Seconds
Astronomical:Moonphase
Additionals:Power Reserve Indicator

51612 description

Automatic movement with seven days power reserve and perpetual calendar.

The 51612 was the first 7-day perpetual calendar with the 21600 frequency.

All watches using the IWC 51612 movement:

IWC Portuguese Perpetual Calendar 5021 Rose Gold / Black (IW5021-19)

IW5021-19 IWC Portuguese Perpetual Calendar 5021 Rose Gold / Black
IWC Big Pilot Perpetual Calendar White Gold / Ardoise (IW5026-03)

IW5026-03 IWC Big Pilot Perpetual Calendar White Gold / Ardoise