Hennessy, 5 Wind Street, Swansea. An 18K gold open face key wind pocket watch with up/down indication

London Hallmark for 1874

Date: London Hallmark for 1874
Movement: Gilt 3/4 plate English lever, cut and compensated bi-metallic balance, No.17002
Dial: White, black Roman numerals, black outer minute track, subsidiary seconds at 6, up/down register at 12, blued steel spade hands
Case: Polished round, No.17002
Signed: Dial & movement, case stamped HWB
Size: 48mm
Accompaniments: 9K rose gold chain and key