Overhauled 1957 Antique Seiko Marvel S Mark 17 stones Hand-wound Men's Watch

The case is brand new and beautiful. The dial is in very good condition considering its age {see photo} The mainspring has been replaced. 33mm Arm circumference: 19cm Movement: Hand-wound Waterproof: Not waterproof?? At the inspection stage, it takes about +15 seconds (measured on a flat tester) and is working very well. As this is an antique product, we cannot guarantee that it will have the same waterproof performance as when it was new. Please understand that this is an old watch before purchasing without any complaints. Since this is an old item, please refrain from purchasing if you are sensitive to details.