123. Longines. A steel double open face keyless wind chronograph pocket watch Longines. Chronographe de poche à double cadran ouvert en acier remontoir au pendant Date: Circa 1900 Movement: Movement inaccessible and not inspected Dial: White, black Roman numeral, subsidiary dials at 6 and 12 for running seconds and 30 minute recording, tachymetre scales to second dial Case: Polished round Signed: Case, dial & movement Size: 54mm