An open-face split-second chronograph pocket watch by C. L. Guinand Locle

An open-face split-second chronograph pocket watch by C. L. Guinand Locle, signed keyless-wind movement with swan-neck regulator and club-tooth lever escapement. White enamel dial with Arabic numeral hour markers, outer minute track and subsidiary recorder dials to six and twelve. Case stamped 14k with poincon, numbered 39519, personal inscription to inner dust cover, initials B.S.J. engraved to rear. 49mm, 95gms