Proof that a dive watch can be fun & functional with the CITIZEN ISO-compliant Promaster Diver. With Eco-Drive technology, it is powered by light and never needs a battery, so you'll never need to open your caseback or compromise your dive again. Featured in stainless steel with azure blue aluminum bezel and matching azure blue dial, one-way rotating elapsed time and WR200. Caliber number E168. MODEL BN0191-55L 8/10/2017 MOVEMENT TECHNOLOGY E168 Eco-Drive Powered by any light source, continuously and sustainably, eliminating the need to replace watch batteries. BAND LENGTH (MM) 247.65 CASE WIDTH (MM) 45 LUG WIDTH (MM) 22 Play Video BAND TYPE Bracelet Stainless Steel CASE MATERIAL Two-Tone Stainless Steel Promaster Crown One-Way Rotating Elapsed Time Bezel CRYSTAL Mineral Crystal Impact and shatter resistant CLASP Safety Fold Over Clasp with Push Buttons DIAL Blue Luminous Hands and Markers WATER-RESISTANCE 200M/20Bar [Scuba Diving]