Feature:1. EASY TO USE: This quartz calendar movement is simple and easy to use, and is an exquisite watch repair accessory.2. SMALL AND CONVENIENT: Small and convenient, convenient to store and carry, and convenient to transport at the same time.3. COST EFFECTIVE: This six hand calendar movement uses a high quality movement, which is convenient and cost effective.4. PROFESSIONAL TOOLS: Professional tools for watchmakers and watch repairers, saving you expensive repair costs.5. ALLOY MATERIAL: The alloy material is durable and not easy to deform, can effectively resist oxidation and rust, and has a long service life.How to Use:Open the back cover of the watch, remove the original movement, into the new movement, close the back cover of the watch can be finished after replacement.Specification:Item Type: Watch MovementProduct Material: AlloyMaximum Length of Movement: Approx. 33mm / 1.3inWidth: Approx. 24mm / 0.9inBattery Model: SR626SW (Shipped with Built in Battery)Battery Type: Button BatteryBattery Capacity: 28mAhNumber of Batteries: 1Purpose: Replacement of Watch Movement Package List:1 x Movement1 x Plastic Storage Box1 x HandleNote:Please allow 0‑1mm / 0‑0.04in error due to manual measurement. Thanks for your understanding.