179244 ⎘
Cases; Hermetic sealing of openings, joints, passages or slits Means affording hermetic sealing inside the case, e.g. protective case for the clockwork against dust, the escapement being in a hermetically sealed case
COMPONENT MOUNTING MEMBER, CASE AND TIMEPIECE
#2COMPENSATION OF RATE VARIATION IN A WATCH
#3DEPTH GAUGE SEAL
#4COMPONENT MOUNTING MEMBER, CASE AND TIMEPIECE
#5Sealing device
#6Water-resistant watch case
#7Escape valve for a watch
#8Safety valve for watches
#9Safety valve for watches
#10Device case and timepiece
#11Mechanical clock movement with magnetic escapement
#12Timepiece