Perimetrical watch protector
Portable apparatus and portable timepiece having a push button
Portable timepiece
Portable timepiece
Portable timepiece with a crown protection and locking device
Portable watch
Portable watch
Precious metal chronograph watch with a hollowed middle...
Pressure compensated watch enclosure
Protective indicator ring for a wristwatch
Push button and method for assembling such push button
Push button assembly for an electronic wrist instrument
Pushpiece for a diver's timepiece