TourbillonVault

Iwc · Automatic

Caliber 8541

Self-winding movement with date. IWC Pellaton winding system.

Technical Specifications

Winding

Automatic

Power Reserve

40 hours

Frequency

19,800 vph (2.8 Hz)

Jewels

25

Diameter

28 mm

Watches with this movement(1)

IWC - IW812AD-01 Aquatimer 812 Black / Tropic

Iwc

IWC - IW812AD-01 Aquatimer 812 Black / Tropic

Ref. 812 · 37.5 mm

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