Citizen Eco-Drive x Analog ft. Chronograph Men Casual Formal Round 100m Water Resistant Watch CA0690-88E CA0690 CA-0690Experience precision timekeeping and reliability with this stylish watch, featuring advanced tachymeter and chronograph functionality, sleek design, and eco-friendly power technology, ensuring consistent accuracy and peace of mind, perfect for those who value performance and sophistication.Caliber Number / MovementB612 (solar Eco-Drive)Power Reserve / AccuracyApproximately 7 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: 12.5 mmDiameter: 44.0 mmOther SpecificationsCitizen Eco-Drive x Analog ft. ChronographDate 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)