In 1958, Heuer introduced the Monte Carlo 12-hour dash-mounted stopwatch to replace the Autavia.  Where the Autavia used traditional round recorders for the hours and minutes, the Monte Carlo features a 12-hour numerical counter in a “window” at the bottom of the dial.  Heuer proudly announced that the new central register (for minutes) and jumping disc (for hours) assured the “greatest legibility ever found in a stopwatch”.

Three-button models sold through 1967 used a button to advance or reset the hour disc; two-button models used a single button to reset hours, minutes and seconds. Paired with a Master Time on a double back-plate, the Monte Carlo was one-half of the classic Rally-Master pair.

 

See the OnTheDash section covering the Monte Carlo HERE.

Operation of the Monte Carlo Dash-Mounted Stopwatch

Functions of the three-button Monte Carlo are as follows:

  • start timer by pressing the crown
  • press crown again for “time out” / “time in”; may use time out / time in function repeatedly
  • stop timer by pressing crown
  • press right pusher to reset minute and second hands to zero; press left pusher to advance hour disk to zero

Functions of the two-button Monte Carlo are as follows:

  • start timer by pressing the crown
  • press crown again for “time out” / “time in”; may use time out / time in function repeatedly
  • stop timer by pressing crown
  • press right pusher to reset minute and second hands, and hour disk, to zero

You can read more about the operation of the two-button Monte Carlo in the Instruction Booklet that came with this stopwatch.