Citizen Men's BL8000-54L Eco-Drive Calibre 8700 Perpetual Calendar Watch

Ecologically friendly, light powered Eco-Drive Caliber E870 Japanese-quartz movement
charges in natural sunlight or indoor light
Max power reserve: 180 days
low charge warning: 3 days
charge time from stop state to max charge
Durable, hardened non-reflective mineral crystal
case diameter: 40mm
Retrograde perpetual calendar function
alarm function
dual-time function with 24-hour sub dial
Stainless-steel case and bracelet
blue dial
month-day-and-date function: day indicator between 2 and three o'clock, date function at 4 o'clock
screw-back case
Water-resistant to 330 feet (100 M)