Ca. 27 × 36mm, 18K gold, special square shape with rounded lugs, slider on the side to seal the case to make it as waterproof as possible, case number 635569, movement number 911071, original dial (cleaned and refreshed), gold hands, original Patek Philippe leather strap with 18K Patek Philippe buckle, intact, cleaning rmended. Ref.1486 is one of the rarest Patek Philippe man's watches from the 1940s due to its special case and is very rarely offered.