Jump hour watch paves the digital path
Take a moment and picture a pocket watch. Are you thinking of a hunting case watch with elaborate relief decorations and an engraved monogram? A minimalist open-faced watch with a 14K gold case? Maybe a chain and a fancy fob? One thing is safe to assume: The watch probably tells time with hands on a dial. “Jump hour” watches like the one pictured here show that isn’t always the case. (Yes, this one has a seconds subdial, but the jump hour mechanism tells the hours and minutes.) The jump hour, or jumping hour, watch movement was patented in 1883 by Josef Pallweber, an Austrian ...