IWC Da Vinci astronomical gents wristwatch with perpetual calendar and chronograph in steel reference 3750, Switzerland around 1999, self winding, polished case with mobile lugs, snap on case back, screwed down winding crown, leather strap with original deployant clasp, black dial with applied silvered indices, complete calendar, gold-plated movement calibre 79261, 39 jewels, 5 adjustments, precision adjustment, diameter approx. 39 mm, signs of use due to age, signs of use due to age, calendar has to be adjusted, condition 2-3

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