Date: Circa 1915Movement: Jewelled manual wind, column wheel chronograph, No.110088Dial: White, black Arabic numerals, black outer 1/5th second divisions, subsidiary dials at 6 and 12 for seconds and 30 minute recording, pierced blued steel hands, centre chronograph handCase: Polished round, hinged snap on back, t-bar lugs, start/stop set within crown at 12, No.1169047Strap/Bracelet: Black Lizard leatherBuckle/Clasp: Steel buckleSigned: Case, dial & movementSize: 39mm