Citizen Eco Drive BM8550 14A Data Collection Prospex • Resin Band • Neobrite • Resin Band • Neobrite • Shock Resistant • Mineral Glass • 200 meter water resistance • Double LED light • World time 31 time zones • 1 100 second stopwatch • Countdown timer • 5 daily alarms • Hourly time signal • Hand shift feature • Full auto calendar (to year 2099) • 12 24 hour format • Button operation tone on off • Regular timekeeping • Accuracy: ±15 seconds per month • Size of case : 48 it's suitable for everyday use and light water activities 8mm Case Size Stainless Steel Case Leather Band Mineral Crystal 100 Meters Water Resistant crafting a watch that exudes both sophistication and functionality