circa 1964, model 115, the signed square cream coloured dial, 27mm wide, with silver coloured batons and hands, centre sweep and date window at 3 o'clock. signed but unnumbered 27 jewel mechanical automatic movement calibre 25-651, case, 31mm wide, verso with four screws, slightly concave, front loading module, numbered 5801 115 5494797, interior signed, to an aftermarket brown leather strap with steel pin buckle