Mechanical Stop Watch, Sports Chronograph Running
Mechanical Stop Watch, Sports Chronograph Running Timer Handheld Stopwatch (SXJ806) The mechanical stopwatch belongs to the category of mechanical timing instruments. The watch machine adopts stainless steel spring, single metal light balance wheel, nickel base alloy hairspring and anchor vertical mechanism. The movement is equipped with 13 gems. The watch machine can be used at -10 °C~+40. Normally maintained within...