Citizen Eco-Drive x Analog ft. Chronograph Men Casual Formal Round 100m Water Resistant Watch CA4560-81E CA4560 CA-4560Experience precision and style with this Citizen Eco-Drive timepiece, powered by solar energy for up to 9 months. Featuring a stainless steel case, mineral crystal, and luminous hands and indexes, this chronograph watch offers advanced functionality, including tachymeter, date and 24-hour display, and more.Caliber Number / MovementB620 (solar Eco-Drive)Power Reserve / AccuracyApproximately 9 months when fully charged (+/-15 seconds per month)CrystalMineral crystalLuminousLuminous on hands and indexesCase & Band MaterialStainless steel case with metal band (three-fold clasp with push-button release)Water Resistance100m / 10 barCase SizeThickness: 12.3 mmDiameter: 44.8 mmOther SpecificationsCitizen Eco-Drive x Analog ft. ChronographTachymeter functionScrew case backDate and 24-hour displayInsufficient charge warning functionOvercharge prevention functionChronograph up to 60 minutes in 1/5-second incrementEquipped with small second handRegular timekeeping (analog display)