Up for sale this very rare vintage AMF VOIT diver watch .Stainless steel case is approximately 37mm (excluding crown). A. Schild/Felsa Calibre 4004 Automatic-Winding Movement https://www.ebay.com/itm/183069799453?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1558.l2649 Thanks for the space.