1. Reasonable structure design, easy and convenient to use. 2. Compact and easy to carry, high efficiency and simple operation. 3. Can easily and safely open the watch back cover with the watch case opener. 4. Suitable for watchmakers and watch repairing workers to use. 5. Designed with 4 rubber , uneasy to scratch watch . Condition: 100% New Item Type: Watch Case Holder Length: . 11.5cm / 4.5in Width: . 9cm / 3.5in Maximum fixed watch diameter of 60mm, meeting your different needs. Usage: Put the watch back up in the fixed seat and adjust the 4-side rotating knob to adjust the size, then use the watch case opener to open the back cover. Colour: as shown Material: metal + plastic Package Contents: 1 x Clip watch seat Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.