Wristwatch: rare super thin Audemars Piguet, Genève, 'Philosophique', in manner of Breguet's 'Souscription' with 2nd time zone, from the 80's, with original box: Ca. Ø31mm, 18K yellow gold/white gold, manual winding with concealed crown, rotating bezel with white marker for the 2nd time zone, No. 78248, Ref. 61.78.16, dial in manner of Breguet's 'Souscription' with only 1 hand, original leather strap, original 18K buckle, back still with original foil, original box, in very good original condition.