Android Men's Polygon Skeleton Automatic Silvertone/Silvertone Leather Strap Watch Movement: TY2807 automatic mechanical 18 jewels Polished stainless steel materializes the round case with a beveled polygon bezel Finessing the dial are Arabic numerals at all hour positions etched into the crystal's underside creating a "floating" effect Many details are combined in this piece for a high-end appeal, but the feature is the skeleton zed inner dial. Revolving around the dial are Superluminova hour and minute hands, so you can appreciate your timepiece any hour of the day or night. Watch comes with a two year limited warranty by Android and free lifetime battery replacement on all quartz battery operated watches.