Vibration frequency of 28800 per hour ensures precise timekeeping. Compatible with Miyota / movements for versatile applications. Compact size with a thickness of only 3.90mm, ideal for slim watch designs. Equipped with 24 jewels for enhanced durability and reduced friction. Offers a running time of 42 hours, providing reliable performance without frequent winding. This movement features a stop second device, allowing for accurate time setting. It supports both automatic and hand winding, making it user-friendly. The design includes three hands and an open-heart feature, adding a stylish touch to any watch. With an accuracy range of -10 to + per day and a posture difference of under 40 seconds, it ensures dependable timekeeping for everyday use. Color: Silver Material: Metal Package Contents: 1* Automatic Mechanical Movement (Watch Hands Not Included) 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.