Generic Crystals to Fit Audemars Piguet® CY-AP04 Mido® crowns with screw for electronic watches 49 strands is the softest

49 strands is the softest and most flexible

part number 1580N

This Winding Arbor is 35 mm in length from the ratchet wheel to the tip of the arbor

70 mm x 29

35 mm round plastic crystal

Generic Crystals to Fit Audemars Piguet® CY-AP04 Mido® crowns with screw for electronic watches 49 strands is the softest33. 00 mm (large dia.) x 32. 00 mm (smaller dia.) x 3. 50 mm thick, round flat stepped sapphire crystal, generic (not genuine), fits Audemars Piguet Royal Oak. Using generic crystals may devalue your watch. *Perrin Supply Ltd is independent of and not affiliated with or sponsored by Audemars Piguet. Audemars Piguet warranty does not apply to parts supplied byPerrin Supply Ltd.