CITIZEN| CHANDLER | Back ion-plated stainless steel case, dark green Cordura® strap and black dial. Eco-Drive technology – powered by light, any light. Never needs a battery. Caliber number 8729. For a rugged look with a comfortable fit, this Citizen military inspired timepiece fits the bill. The Citizen Chandler is featured here in black ion-plated stainless steel case, dark green Cordura® strap and black dial. Added features include analog day/date and12/24-hour time. Featuring our Eco-Drive technology – powered by light, any light. Never needs a battery. Caliber number 8729.