SPECIFICATION Case Size 40 mm x 6mm Case Material 316L Stainless Steel, Brushed and Polished Strap Black Stainless Steel Clasp Hidden Butterfly Clasp Bezel Black Stainless Steel Caseback Black Stainless Steel Dial Black with Engraved Stripes Hands & Indexes Black Stainless Steel Glass Sapphire, Anti-Reflective Coating Movement Citizen Miyota 1L22, Quartz Water Resistance & Weight 5ATM,110g SKU code D1-UTBJSH