Brushed Black Black Watch Face In the style of the great dive watches of the 1960's, yet with a modern twist, our self-powered timepiece range comes in 4 unique designs.At the back of the watch the Shore Projects branded, gold contrasting semi-lunar rotor plate can be seen through the crystal sapphire casing.Buying for someone else? Remove the guesswork with our Gift Cards.Outer Casing: Silver Plated 316L Stainless Steel.Movement: The Miyota 9015 Automatic (Self-Powered, Mechanically Driven). Glass: Scratch Resistant Sapphire Crystal.Water Proof: Waterproof to 10atms which means they are designed for swimming. Dial Diameter: 39mm Interchangeable Strap Ability: Match this watch face with any Shore Projects strap of your choice. Not recommended for use in hot showers/saunas etc: Putting this watch into contact with hot steam will have a detrimental effect on the watch and the movement. As the watch cools down afterwards moisture can form inside the timepiece. Any signs of moisture inside the movement as a result of use in these circumstances could void the warranty. If moisture is detected in the watch, leave the watch to dry in a warm location for 12 hours and it should subside.