VACHERON CONSTANTIN. A FINE AND LIGHTWEIGHT ALUMINIUM KEYLESS WINDING OPEN-FACED POCKET WATCH, the case inscribed on the back "PRESENTED TO G.A.YATES BY NORTHERN ALUMINIUM COMPANY LTD. IN RECOGNITION OF LONG AND LOYAL SERVICE, 1954", the matt aluminium dial with applied Arabic numerals and subsidiary seconds dial fronting a jewelled movement with compensated lever escapement. - come with the original case.

44mm diameter