40mm stainless steel case with bi-directional 18kt yellow gold rotating bezel and crownStainless steel & 18kt yellow gold Jubilee style bracelet with flip-lock claspRare black "nipple" dial with luminous hour markersDate window at 3:00Acrylic crystal with "cyclops" magnifier over date31 jewel automatic quick-set movement cal. 3075Reference #16753Serial number 63xxxxx- ca. 1980Very good overall condition - has been recently serviced and polished