Patek Philippe 3923R Classic Calatrava measuring 32 mm  with a 215 PS caliber 18-jewel movement # 1824226 / 2899639.  The dial is silvered with applied rose gold indexes, dot minute track, Further was made in 1991 and is accompanied with an extract from the archives confirming its date of manufacture and further sale, also with the original unused light brown lizard strap and factory rose gold buckle.  This is a Treasure to find in this condition.