TourbillonVault

Iwc · Automatic

Caliber 51612

Automatic movement with seven days power reserve and perpetual calendar. The 51612 was the first 7-day perpetual calendar with the 21600 frequency.

Technical Specifications

Winding

Automatic

Power Reserve

168 hours

Frequency

21,600 vph (3 Hz)

Jewels

62

Diameter

38.2 mm

Watches with this movement(2)

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

Iwc

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

Ref. IW5021-19 · 44.2 mm

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

Iwc

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

Ref. IW5026-03 · 46.2 mm

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