IWC fine astronomical chronograph model Da Vinci with perpetual calendar reference 3750 in 18k yellow gold, Switzerland around 1990, self winding, original leather strap with 18k yellow gold buckle, snap on case back, screwed down winding crown, mobile lugs, enamel colored dial with raised gilded hour-indices, display of hour, minutes, constant second, perpetual calendar (day, date, month, year and moon phase) and chronograph, gold-plated movement calibre C.7926, 39 jewels, adjusted in 5 positions, diameter approx. 39 mm, needs to be overhauled, condition 2, discontinued model

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