Patek Philippe, model: Ref.3919 / 5, Calatrava series, original Milan gold chain version, PP classic Calatrava dress representative work, hobnail patterned bezel, complete set, 18K gold original Milan woven strap, one-piece formed precious metal chain strap is particularly rare among antique Patek Philippe. The elegant Roman white dial, with a small seconds hand at 6 o 'clock, has a clean and warm surface, exuding a strong retro atmosphere. Equipped with the Cal.215 manual ultra-thin movement, featuring 18 jewels, five-directional adjustment, exquisitely polished plates, and elegant and stable timekeeping. With a classic 33mm size, it looks elegant and delicate when worn. It can be worn daily and is also a rare collectible and display item. The total length is 190mm and it can be adjusted from 180 to 187mm when fastened.