CARLEY & CLEMENCE, LONDON. A VERY RARE AND UNUSUAL SILVER OPEN-FACED KEYLESS WATCH WITH ANNULAR TOURBILLON BY ANDREW TAYLOR 1903, NO. 51613

Description

Movement: gilded half-plate, 52 1/2 minute revolving carriage with lever escapement, bi-metallic compensation balance, free-sprung spiral spring with double overcoil, signed and numbered Carley & Clemence, 30 Ely Place, London E.C., no. 51613 and with Admiralty broad arrow, ebauche with maker's mark AT for Andrew Taylor to dial side of pillar plate
Dial: white enamel, Roman numerals, outer minute ring, subsidiary seconds, blued steel hands, signed and numbered and with Admiralty broad arrow
Case: plain silver, the back with Admiralty broad arrow, hallmarked London 1903 and with maker's mark  C & Co in oval cameo for Carley & Clemence Ltd, bezel, cuvette, mid-case and case back all numbered 3
diameter 59mm