SEIKO Stopwatch New, unused, and unopened. · Model Name: SVAJ005 · Drive System: Solar · Accuracy: ±30 seconds per month on average · Operating Period: Approximately 6 months when fully charged, approximately 2 years in power save mode · Functions: Power save function Stopwatch function (1/100 second measurement, 100-hour timer) Lap/split time measurement function Memory recall function (up to 300 memories) Full auto calendar function · Watch Mode: Contrast adjustment function Calendar (date and day of the week) function · Case Size: Thickness: 21.0mm · Glass Material: Acrylic · Watch Specifications: Water resistant Reinforced water resistance for daily life (5 atmospheres) · Other Features: 6-screw fixed back cover Thank you.