Our mechanism is shipped with a strap and a Hour and Minute Hand Seconds set. Product features: The product consists of the movement of the watch and the Hour and Minute Hand Seconds set. You can easily replace the product with the existing machine on the watch. Although the mechanism fits all battery-operated watches, the responsibility for replacing it is entirely yours! The product is a silent clock mechanism that works silently. Product features: hour hand: 13 cm, minute hand: 18 cm, second: 14 cm. It is also compatible with 3D clock mechanisms.