Citizen General x Mechanical ft. Vintage-Inspired Men Casual Formal Tonneau 50m Water Resistant Watch NJ0100-71L NJ0100 NJ-0100 Discover a timepiece that epitomizes precision and style. With a 40-hour power reserve, stainless steel case, and metal band, this mechanical watch is designed to impress. Featuring a see-through case back, date display, and regular timekeeping, it's the perfect accessory for those who value sophistication and reliability. Caliber Number / Movement 8210 (automatic with manual winding capacity) Power Reserve / Accuracy Approximately 40 hours (+40 to -20 seconds per day) Crystal Mineral crystal Luminous Nil Case & Band Material Stainless steel case with metal band (three-fold clasp with push-button release) Water Resistance 50m / 5 bar Case Size Diameter: 42.0 mm Other Specifications Citizen General x Mechanical ft. Vintage-Inspired See-through case back Screw case back 21 jewels Date display Regular timekeeping (analog display)