Charles Frodsham, London

· Hector Golay frosted gilded ⅔ plate movement, lever escapement mounted on 34-minute karrusel carriage, bi-metallic compensation balance, diamond endstone, blued steel hairspring with overcoil, micrometer regulation, signed and numbered to the backplate by Appointment to the Queen, Chas. Frodsham, 115, New Bond Street, late of 84, Strand London, No. 08768 AD Fmsz and with appointment and honour medal crests

· white enamel Willis dial signed Chas Frodsham 08768 AD Fmsz, Roman numerals, two sunken subsidiary dials for seconds at 6 o’clock and 60-minute recording at 12, outer track calibrated to fifths, blued steel spade hands, contrasting plain and blued steel split hands

· 18ct gold case, stepped bezels, plain polished gold cuvette and case back, chronograph pusher through crown, large split pusher and olivette for hand setting with protective shoulders, all covers pendant and bow with 18ct gold hallmarks, inside case back with London date letter ‘d’ for 1899-1900, covers and pendant with case maker’s mark F.T in oval cartouche for Fred Thoms and sponsor’s mark HMF in oval cartouche for Harrison Mill Frodsham, numbered 08768

No. 08768, AD Fmsz

diameter 60mm