A very nice automatic watch for him. No need battery anymore. The watchcase is made of stainless steel with a leather strap. Water Resistant 200M. The diameter is 40mm and the thickness is 10.5mm. This watch can also diaplay the date and week. The watch comes with 1 year guarantee from us. You can come and have a look at this (and other) watches in our shop in Voorburg. The shop is owned by a watchmaker with over 30 years of experience in the business. The Hands of Time, Voorburg.