Product material is strong, , long service life. Can be used as a spare parts to facilitate the replacement of your movement. High accuracy. Per Hour: 21600 times per hour Movement Type: Automatic Display:Analog Diameter : 27.4 mm Thickness : 5.32 mm Casing Diameter 29.36mm (with dial holding spacer) Frequency : Per Hour 21,600 vph (6 vibrations per second) Date: date display and adjustment ,24 Hour (GMT) Hands: Hours, Minutes, Seconds,GMT hand Hacking second: YES type:white calendar Colour:silver Material:Metal Package Contents: 1 x Watch Movement Note:Watch movement decorative shank color random, don't accept the specified color, please do not mind. 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.