Gents 1950s Helvetia Manual Winding Wrist Watch The watch has a good quality 17-jewel Helvetia calibre 831 manual winding movement which is working nicely. The watch measures 34,7mm diameter excluding the original winding crown and 42,6 lug to lug. The case is chrome plated and it is in lovely condition. The case back is stainless steel , as with any vintage watch, it should be kept away from water and moisture.The lens is in lovely condition. The signed dial is in its original finish with original hands and centre seconds hand. There is very beautiful patina on the dial. As you can see in the photos the watch is in very good condition .This watch is perfect choice for gentlemen who prefer a classic or elegant style also is great addition for any collectors enthusiast. Case size: 34,7mm excluding the crown Case size lug to lug: 42,6mm Caliber: In house 831 Please refer to the photos as part of the description of the watch!! Fast delivery 2-3 working days with DHL Express!!