Addictiv Pro Tide Metal - Digital Tide Watch for Men EQYWD03007 The nuts and bolts Case: 38 mm - Thickness: 8.6 mm - Weight: 90 g Case: Solid marine grade stainless steel case Case Back: Solid stainless steel screw down case back Crystal: Reinforced mineral crystal Band: Solid marine grade stainless steel band Buckle: Marine grade stainless steel sliding buckle Water Resistance: 10 ATM (100 m) suitable for surfing, swimming and snorkelling - no scuba diving Warranty: 2 years warranty Movement: Ultra-thin digital movement - 12 24-hour, basic tide indicator, calendar, chronograph and countdown Composition 100% Stainless Steel