Invicta Men's 3659 II Collection Multi-Function Two-Tone Watch Precise Swiss-Quartz movement Sapphire crystal Case diameter: 48 mm Rose-gold-tone-steel-and-stainless-steel case; Rose-gold-tone dial; Day-date-month-and-moon-phase functions Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving