Bulova Watches. From the BVA-Series 135. Solano. Automatic self-winding mechanical timepiece with 21-jewel movement visible through skeletonized dial and exhibition caseback In stainless steel with 24 diamonds individually hand-set on face, mother of pearl dial, second hand, screw-back case, fold over buckle and water resistance to 50 meters. Approximate case diameter/width 35mm.