Automatic winding
A rotating weight, set into motion by moving the wrist, winds the spring barrel via the gear train of a mechanical watch movement. Automatic winding was invented during the pocket watch era in 1770 by Abraham-Louis Perrelet, who created a watch with a weight swinging back and forth (that of a pocket watch usually makes vertical movements contrary to a wristwatch). >>More>>



Power reserve display
A mechanical watch contains only a certain amount of power reserve. A fully wound modern automatic watch usually possesses between 36 and 42 hours of energy before it needs to be wound again. >>More>>