Large Swiss metal split second chronograph Circa 1965

Pocket watch with three complications
–
A Large Swiss black painted metal and chromium plated metal keyless pocket watch made by Heuer in Chaux-de-Fonds, circa 1965. Open faced, plain case with split seconds chronograph and a minute counter. Snap on case back, black and white dial with Arabic numerals, red 1/10-second scale and red hand. Three horological complications: 1/10 second chronograph, activated by the single round push piece located on the winding crown. Split seconds, activated by the round shaped push piece located on the case band at 11. Half instantaneous 30 minute counter, subsidiary dial at 12 o’clock. Beryllium lever escapement, 18000 v/h, adjusted to two positions. The inside signed by the watchmaker and with serial number 304488. Dial and movement are signed.
–
Diameter: 65 mm
–
Signed: Heuer, Chaux-de-Fonds
–
Accompanied by original protective red leather fitted box with neck strap and hang tag.