Never open the watch yourself. Exclusive Styling in K1 Crystal: K1 mineral crystal is the most common crystal used in designer watches and more scratch-resistant than regular mineral crystal. It's even more shatter-resistant than sapphire crystal.
Orologio cronografo Bulova Marine Star Collection con finitura oro rosa e quadrante blu. Finitura della cassa : Placcata oro rosa. Colore cinturino : Acciaio con finiture in oro rosa. Colore indici e lancette : Oro rosa.