Men's (36mm) LeCoultre HPG Master Mariner Day / Date, Automatic Stainless Steel Wrist Watch The Movement is operated by Automatic Mechanical Hand Winding, It is Working though has Not Been Tested For Time Keeping Accuracy & May Require Service For Proper Acccuracy. The Watch comes on a Generic Metal Watch Bracelet, Fits a appx 7 Inch Wrist.