Here is a vintage Wittnauer rectangluar tank watch in a 10K gold-filled bezel and stainles steel back case. Beneath the dial is a genuine Wittnauer Swiss unadjusted caliber 9E manual hand winding movement with 17 jewels that runs strong and kept good time over a 24 hour period. The watch sets and winds smoothly and measures approximately 22mm wide x 34mm in overall length. The inside back case reads: WITTNAUER, New York Geneva Montreal, Star W.C. Co., 10K goldfilled bezel, Stainless Back, 2693-9E, 4711195. *NS