Axiom's refined yet sleek design offers a day-to-night fashion options for the avid trendsetter. This Black Out model is featured in stainless steel with black ion plating, black dial and black accents and the intriguing feature of edge-to-edge glass. Featuring our Eco-Drive technology – powered by light, any light. Never needs a battery. Product details: Movement: Eco-Drive Band: Stainless Steel Case Size (mm): 40 Crystal: Mineral Crystal Additional functions: 2 Hand; Date Warranty: 5 years Limited Manufacturer Warranty