MODEL * BU4023-54E * 8/10/2017 MOVEMENT TECHNOLOGY * 8725 * Eco-Drive Ring * Powered by any light source, continuously and sustainably, eliminating the need to replace watch batteries. BAND LENGTH (MM) * 216 CASE WIDTH (MM) * 42 LUG WIDTH (MM) * 22 BAND TYPE * Bracelet * Stainless Steel CASE MATERIAL * Rose Gold-Tone * Stainless Steel CRYSTAL * Mineral Crystal * Impact and shatter resistant CLASP * Fold Over Clasp with Push Buttons DIAL * Black * Luminous Hands and Markers WATER-RESISTANCE * WR100/10Bar/333ft [Swimming, Showering & Snorkeling] ADDITIONAL FUNCTIONS * Analog Day/Date