School Lab Sports Stopwatch

School Lab Sports Stopwatch

The sports 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°C
Normally maintained within °C temperature range

1/10 SECOND RECORDER
30 SECONDS
15 MINUTES
13 JEWELS
CASE: STAINLESS STEEL
START/STOP: CROWN
RESET: SIDE BUTTEN
SIZE: Dia55x77.4x14mm