3061. A silver single button wire lug chronograph wristwatch Date: Circa 1910 Movement: Jewelled manual wind Dial: White, black Arabic numeral hour markers, red 24 hour markers, black outer 1/5th second divisions, outer red, blue and black tachymetre scale, subsidiary dials at 3 and 9 for running seconds and 30 minute recording, blued steel leaf hands, centre chronograph hand Case: Polished hinged round, chronograph pusher to crown Strap/Bracelet: Brown leather Buckle/Clasp: Steel buckle Size: 38mm Weight: 50,40g