SwissKubik Black Aluminum Masterbox Single C-Ring (Watch Holder):Small C-Ring (Wrist size of 6.75in or less) USB and/or Bluetooth interface for

USB and/or Bluetooth interface for setting the number of revolutionsper day and direction of rotation

Pause/standby mode in vertical position

Change your strap on-the-go or keep on hand for any emergency repairs

for a minimum of three years

SwissKubik Black Aluminum Masterbox Single C-Ring (Watch Holder):Small C-Ring (Wrist size of 6.75in or less) USB and/or Bluetooth interface forWithin this perfect compact cube, we discover the most sophisticated technology. Equipped with a sixth generation ultra silent motor, it emits virtually no magnetic charge. Autonomous, for a minimum of three years, its power stems from two standard 1. 5 volt alkaline batteries or a mains power supply. On leaving the workshops, the Masterbox is programmed to perform a bi directional rotation of 1,600 revolutions per day. Thanks to its USB or Bluetooth