WOLF 4525519 Windsor Single Watch Winder with Cover, Brown Enlarged drum (71 mm deep and 77 mm wide) - easily holds the largest of timepieces with a patent pending "lock in" cuff 900 turns per day with rotation options for clockwise, counter-clockwise, or bi-directional Runs on 3.3V (110/220V) adapter or D-cell batteries (lithium or alkaline) 10 second start delay. Patented rotation programs- intermittent rotation with pause and sleep phases pre-programmed Brown pebble finish exterior, silk faceplate and silver chrome dial. Glass front cover and clasp closure