Charles Frodsham, 84 Strand, London. An 18K gold key wind open face pocket watch

Charles Frodsham, 84 Strand, London. An 18K gold key wind open face pocket watch
Date: London Hallmark for 1874
Movement: Gilt full plate English lever, 3-arm balance, diamond end stone, No.04972
Dial: Guilloche engraved gilt, black Roman numerals, outer minute divisions, blued steel spade hands
Case: Engine turned consular, reeded band, No.04972
Signed: Movement, case stamped CG and CF
Size: 40mm