An 18K gold keyless wind open face split second chronograph pocket watch

Birmingham Hallmark for 1910

Date: Birmingham Hallmark for 1910
Movement: Gilt finish Swiss lever, cut and compensated bi-metallic balance, polished steel chronograph work
Dial: White, black Arabic numerals, black outer minute and 1/5th second divisions with red Arabic numeral 5 minute markers, subsidiary dials at 12 and 6 for seconds and 30 minute recording, blued steel hands
Case: Polished round, monogram to back, chronograph buttons in the crown and band, No.31058
Signed: Case stamped A.L.D
Size: 44mm