Possible Bulova Date King
This watch is similar to the Date King 'E', there are examples in the database that are SS cases and different dial pattern. Not sure what the yellow gold version would be. Watch has 10kt yellow RGP case (#2525) with stainless back dated M6. Movement is the 30 jewel 10CRACD dated M6. Has a champagne dial with calendar window. Anti-magnetic, shock resistant, waterproof. Replacement strap.