Processing and customization No Color Electroplating shell black surface time, electroplating shell white surface time, electroplating shell black surface temperature, electroplating shell white surface temperature, black shell black surface time, black shell white surface time specification color product type time table applicable models general motorcycle model without Buckle clock watch product type: car clock watch product material: aluminum alloy product color: black shell black bottom, electroplating shell black bottom black shell white bottom, electroplating shell white bottom Product features: With luminous function, you can see the time clearly at night