The Miyota 2015 watch movement, introduced in the 1970s, is a significant development as it represents the first analogue quartz wristwatch. It incorporates a quartz-controlled stepper motor that enables precise timekeeping. Notably, it features a quickset date function, allowing for easy adjustment of the calendar display. Additionally, the movement boasts an analog display with a sweep seconds hand, utilizing quartz technology for optimal accuracy. The Miyota 2015 movement is widely recognized for its reliable quartz operation and calendar functionality, making it a sought-after choice in watchmaking since its introduction in 1970.