⚙️ Shanghai 3285 GMT Automatic Movement4-Pin Greenwich Mechanical Watch Movement Replacement Part Key Features🌍 GMT FunctionFeatures a 4-pin GMT (Greenwich) complication, allowing you to track a second time zone alongside local time. ⚙️ Automatic MechanicalSelf-winding mechanical movement — no battery required, powered by natural wrist motion. 🔧 DIY Watch RepairIdeal replacement part for watchmakers, hobbyists and repair technicians working on mechanical GMT watches. 🛠️ Metal ConstructionDurable metal build with a straight strap interface and single folding buckle compatibility. Specifications
Product Images![]() ![]() ![]() FAQIs this a complete watch?No, this is a replacement movement only, intended for watchmakers and repair use. Does it require a battery?No, it's a fully automatic mechanical movement powered by wrist motion. What does the GMT function do?It allows tracking of a second time zone using the 4th central hand. |