Zenith El Primero Chronomat Power Reserve Skeleton Watch 03.0240.4021 01.C495 METAL: Stainless Steel. MEASUREMENTS: Case 40mm, original leather band with buckle - 8.5" long. Skeleton dial with power reserve indicator. MOVEMENT; Automatic - needs service. Ref. 03.0240.4021/01.C495. Comes with COA card. Circa 2006. Watches are guaranteed to be in running order, if described as such, at the time of listing only. Watches have not been tested for features functionality, unless otherwise stated in description.