Please ensure the stopper is removed and crown is fully pressed to make the watch functional.Invoice is a valid document of purchase and warranty.Product Colour May Slightly Vary Due To Photographic Lighting Sources Or Your Monitor Settings.PRESS LEFT BUTTON TO ON THE LED TORCH AND PRESS AGAIN TO OFF THE TORCH OTHERWISE LED WILL SHUT OFF AUTOMATICALLY AFTER SOME SECONDS, LED LIGHTS CAN BE USE AS TORCH AT NIGHT,