This Silhouette Crystal design sets the standard for playful yet elegant. Polished stainless steel, the black mother-of-pearl dial and crystal mark this as a dress watch, while the oversized 32mm case, subdials and water resistance add touches of sportiness to the design. Featuring our Eco-Drive technology – powered by light, any light. Never needs a battery. Caliber number 8635. Product Details MODEL FD1030-56Y 8/10/2017 MOVEMENT TECHNOLOGY 8635 Eco-Drive Powered by any light source, continuously and sustainably, eliminating the need to replace watch batteries. CASE WIDTH (MM) 32 BAND TYPE Bracelet Stainless Steel CASE MATERIAL Silver-Tone Stainless Steel Crystal CRYSTAL Mineral Crystal Impact and shatter resistant CLASP Fold Over Clasp with Push Buttons DIAL White Luminous Hands WATER-RESISTANCE WR [Splash Resistant] ADDITIONAL FUNCTIONS Analog Day/Date