This is a Pierre Paulin (Merkur) hand-wound watch. It works without any problems, and the chronograph also functions correctly. There are no scratches on the glass. Movement: ST1901 (21 jewels) Power Reserve: 50 hours (chrono OFF) 45 hours (chrono ON) Case Material: 316L stainless steel Case Diameter: 38mm Thickness: 13.8mm Glass: Domed sapphire Water Resistance: 10 ATM Band Width: 20mm Weight: Approximately 130g - The bracelet size is approximately 17cm (with 4 extra links). - There is a time shift of +6/-5 seconds depending on the watch's position. ***I am also listing this on other apps, so I may remove the listing without notice. #rolex #omega #hamilton #tagheuer #carrera