An 18K gold keyless wind open face pocket watch with centre seconds

An 18K gold keyless wind open face pocket watch with centre seconds
Date: London Hallmark for 1903
Movement: Gilt 3/4 plate English lever, cut and compensated bi-metallic balance, No.151414
Dial: White, black Arabic numerals, black outer 1/5 second divisions, blued steel spade hands, centre seconds
Case: Polished hinged, start/stop button at 2, No.151414
Signed: Case stamped IJTN
Size: 52mm
Accompaniments: White metal chain