SPECIFICATIONS
MovementLight-powered quartz movements
CaliberExamples include Calibre 8700 and J810.
Case size40mmmm
Case materialStainless steel or leather strap; other materials vary by model.
ComplicationsExamples vary by model and may include chronograph and perpetual calendar.
Citizen
Citizen Eco-Drive WR 100
Citizen Eco-Drive WR100 watches are a line of solar-powered timepieces with water resistance rated at 100 meters, suitable for everyday use including swimming but not diving.