WOLF Earth Triple Watch Winder - Midnight Blue。Item No 190517 18\" L x 8\" W x 9\" H Individually controlled single Bluetooth watch winder with patented innovation: Every WOLF winder counts the precise number of rotations. All other winders estimate the number of rotations Lock-in dynamic cuff: Patented lock-in dynamic cuff ‘locks’ your timepiece into the rotator drum for a secure fit. Low density foam to accommodate all wrist sizes without putting pressure on your bracelet Watch protection and winding: Keeps 3 watches safe and wound, ready to wear. Use the WOLF app to set Turns Per Day and direction of rotation. Storage for 5 watches on suspended watch cushions and removable accessory tray in top section Patented watch winders: WOLF winders count turns per day no other winder does this, others use time to estimate rotations