122.0301-00 Industry model
Pin lever, 7 jewels
1/5 sec. + 1/100 min. 30 min.
Case Ø 55 mm, weight 120 g
122.0301-00 Industry model
Addition timer
Addition timer for time measurement
with interrupt option.
All models have a diamond-cut,
chrome-plated brass case,
polished or matt.
All models are protected against
shock, dust and water.
The models with lever escapement
have additional case seals to give
added protection against dust and
water.
Calibration
See description