Quartz chronograph watch from Davosa. The case is made out of 316 L stainless steel. The glass is sapphire. The back is a screw type back cover. 2 years international guarantee. A good watch for a fair price. You can come to have a look at our watches in our shop in Voorburg. We are an official Davosa dealer. If you wish to order another Davosa model we can order it.