A very nice watch for him. It's a diving watch. Water resist 30 ATM. This watch has a sapphire glass. The diameter is 38.5mm and the thickness is 10.5mm. It has a date display window at 3 o'clock. 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.