SW300-1 Skeleton Silver
Swiss mecanical balance wheel
Caliber : SW300-1
Finition : Decorated, skeleton silver
Hand fitting height 1
Dimensions : Ø 25.60 mm, high 3.6 mm
Power reserved : 38 hours
An incabloc shock protection was used
The balance perfoms 28'800 half-oscillations per hour (4 HZ)
The automatic winding by rotor on ball bearing, rapid date setting and seconds stop when winding of the crown