Citizen Men's AT0563-01X Eco-Drive Chronograph Rose-Gold Tone Watch Light powered eco-drive Japanese-quartz movement; charges in natural sunlight or indoor light Durable, hardened mineral crystal Case diameter: 31 mm Rose-gold stainless steel case; brown dial; chronograph, date function; chronograph functions Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving