This fine pair of chromed dashboard timers comprises a so-called "Industry" timer, is calibated to 1/100th of a minute, decimal dial with one revolution in 60 seconds, 30 minute register, 26 hour running time. Start and stop functions are activated by a slide in the band and can be reset by pushing the crown while the timer is running, enabling instant reading. Prestons Timer Division of Bolton in Lancashire, England, where presumably official Omega agents specializing in stop watches.

The second is calibrated to 1/5ths of a second, one revolution in 60 seconds, 30 minute register, start/stop activated through the crown.

For other "Industrial" Timers see A Journey Through Time by Marco Richon, p. 579.