"Nationally advertised model 28 genuine diamond bezel accents Stainless steel case and bracelet Genuine mother of pearl dial Date window at the 4 o'clock position Shatter resistant mineral glass crystal Water resistant to 100 meters (330 feet) 1 second chronograph measures up to 60 minutes 12/24 hour time Eco-Drive solar powered technology keeps this watch telling time for 180 days once fully charged (110 hours required under an incandescent light for a full charge) 31mm case width (approximately 1 1/4"")"