Citizen Promaster x Geo Trekker ft. 100th Year Anniversary Layers Of Time (Limited Edition of 10,000 Pieces) Men Casual Formal Round 200m Water Resistant Watch BY3005-56E BY3005 BY-3005 Experience the ultimate fusion of innovation and sustainability with the limited-edition Promaster Geo Trekker. This cutting-edge timepiece boasts global Radio Control accuracy, a terrestrial-inspired dial made from recycled materials, and Eco-Drive technology that harnesses light as a clean energy source. Discover a watch that not only tells time but tells a story of precision, style, and environmental responsibility. Caliber Number / Movement H864 (solar Eco-Drive) Power Reserve / Accuracy Approximately 30 months when fully charged (+/-15 seconds per month when not receiving) Crystal Sapphire crystal (anti-reflective coating) Luminous Luminous on hands and indexes Case & Band Material Stainless steel case with metal band (three-fold clasp with push-button release) Water Resistance 200m / 20 bar Case Size Diameter: 46.0 mm Other Specifications Citizen Promaster x Geo Trekker ft. 100th Year Anniversary Layers Of Time (Limited Edition of 10,000 Pieces) Flying distance and navigation calculations Day, date, 24-hour and dual time display Insufficient charge warning function Overcharge prevention function Power reserve indicator Perpetual calendar World time function (26 time zones) Coordinated Universal Time (UTC) display Summer time on/off Global radio-controlled (Japan/China/America/Europe) Regular timekeeping (analog display)