3001. An 18K gold keyless wind open face split second chronograph pocket watch Date: Circa 1900 Movement: Swiss lever, cut and compensated bi-metallic balance, column wheel chronograph Dial: White, black outer 1/5th second divisions, subsidiary dials at 12, 4 and 8 for hours and minutes, seconds and 60 minute recording, centre chronograph hands Case: Polished round, chronograph button to winding crown at 12, split second chronograph button at 11, No.211681 Size: 53mm Weight: 128,12g