circa 1950, the signed circular silvered dial, 30mm diameter, with black Arabic numerals and blued hands, red centre chronograph sweep, subsidiary running seconds at 6 o'clock and minutes at 12 o'clock and with timing and telemeter tracks, signed mechanical crown wind Venus 170 movement with 'up and down' configuration and start/stop and reset pushers above and below the crown, case, 32mm diameter, verso snap on, brushed finished and stamped 1007, inner stamped BREITLING WATCH CORP SWISS, to an aftermarket red lizard grain strap with gilt pin buckle