Single Pusher Chronograph Open Face 2Tone Multiscale Silvered Dial Pocket Watch in Steel

Vintage Omega Single Pusher Chronograph Open Face 2Tone Multiscale Silvered Dial Pocket Watch in Steel from 1940s

This pocket watch features a two-tone dial with four scales: inner and outer tachymetric scales for determining speed between 500 and 12 km/h, inner telemetric scale for determining distance between 0 and 20 km/h, and inner pulsometer scale for determining pulse between 40 and 200 beats per minute. The watch is fitted with a precise and sturdy 39 CHRO movement supplied by Lemania in 50mm case. It is a very rare watch in any condition and a same reference example can be seen in Goldberger's Omega Sports Watches book. The watch is in original good condition.