Citizen Eco-Drive x Caliber E365 ft. 365 Days (Limited Edition of 1,200 Pieces) Men Casual Formal Tonneau 100m Water Resistant Watch BN1015-52E BN1015 BN-1015 Experience the perfect blend of innovative design and sustainable technology with our latest limited edition timepiece, featuring a light-powered movement that runs for 365 days on a single charge, crafted with eco-friendly materials and precision engineering, and limited to just 1,200 pieces worldwide. Caliber Number / Movement E365 (solar Eco-Drive) Power Reserve / Accuracy Approximately 12 months when fully charged (+/-15 seconds per month) Crystal Sapphire crystal (anti-reflective coating) Luminous Nil Case & Band Material Stainless steel case with calfskin leather band (deployment clasp with push-button release) Water Resistance 100m / 10 bar Case Size Thickness: 11.1 mm Diameter: 42.5 mm Length: 44.0 mm Other Specifications Citizen Eco-Drive x Caliber E365 ft. 365 Days (Limited Edition of 1,200 Pieces) Dial with lab grown rubies (Crescent Vert) Date display Insufficient charge warning function Overcharge prevention function Regular timekeeping (analog display)