Citizen Axiom's refined yet sleek design offers a day-to-night fashion option for the avid trendsetter. This timepiece, with pink gold-tone stainless steel case, sleek black strap and silver dial, features the intriguing detail of edge-to-edge glass and diamond accented dial. Featuring our Eco-Drive technology ? powered by light, any light. Never needs a battery. Caliber number E031.