• Ultra-quiet motor: long service life, very quiet and long-lasting, and there is no noise during operation, the noise level is negligible, you will not be distracted, and it is easy to fall asleep at night.The winding box of the automatic cruise mini single watch, the size is: 13.7 × 15 × 13.5 cm /5.4" × 5.9" × 5.3".There are many elegant and noble colors to choose from, namely: Star blue, Wild horse brown, Fog wax green, Fog wax blue, Retro brown, Athens