316L Surgical-Quality Stainless Steel Case. Swiss Ronda 515 Quartz Movement. Non-Glare Scratch-Resistant Mineral Crystal. Logo-Engraved Stainless Steel Caseback. Unidirectional Rotatable Bezel (Screw-Down). Luminous Hour and Minute Hands. Luminous T markers on the dial. Date Display at 3 o'clock position. Rubber Strap with Stainless Steel Clasp (Logo-Engraved). Water Resistant to 20 ATM (Professional Deep Diving Approved).