Bring sophistication to your day with the new CITIZEN Calendrier Moonphase, powered by any light with Eco-Drive. This timeless watch features analog month/day/date. Men's watch featured with two-tone stainless steel case and bracelet with cobalt blue dial. Featuring our Eco-Drive technology – powered by light, any light. Never needs a battery. Caliber number 8730. Product Details MODEL BU0054-52L 6/05/2019 MOVEMENT TECHNOLOGY 8730 Eco-Drive Powered by any light source, continuously and sustainably, eliminating the need to replace watch batteries. BAND LENGTH (MM) 209.55 CASE WIDTH (MM) 44 LUG WIDTH (MM) 23 BAND TYPE Bracelet Stainless Steel CASE MATERIAL Two-Tone Stainless Steel CRYSTAL Spherical Mineral Crystal Impact and shatter resistant, spherical-shaped crystal raised within the bezel CLASP Deployment Clasp with Push Buttons DIAL Blue WATER-RESISTANCE WR100/10Bar/333ft [Swimming, Showering & Snorkeling] ADDITIONAL FUNCTIONS Analog Month/Day/Date Moonphase Indicator