ROLEX Oyster Perpetual AMTLICH GEPRüFTER CHRONOMETER rare gents wristwatch in 18k yellow gold, Switzerland around 1959, self winding, screwed down case reference 6564, case back with dedication-engraving from Coca-Cola, frosted-silvered patinated dial with raised gilded indexes & numerals, rare German chronometer-signature, gilded Dauphine-hands, silvered movement calibre 1030, 25 jewels, 5 adjustments, glucydur-balance with Breguet-hairspring, diameter approx. 34 mm, condition 2