Longines - A Swiss 18ct gold wristwatch

circa 1950, model 6147-2, the signed circular silvered dial, 30mm diameter with gold coloured alternate Arabic numerals (evens) and batons, gold coloured hands, centre sweep and black baton minute track, signed and fully jewelled mechanical crown wind movement number 8179064 calibre 237N, case 32mm diameter, verso snap on, plain and polished, interior signed and numbered 6147 2 36 with Swiss marks for 18ct gold Geneva, additionally marked 18K 0.750 and with Poinçon de Maître: Hammer Head number 108 for Roger Parel SA to an aftermarket dark blue crocodile grain strap with gilt pin buckle