I have attached a picture of an IWC (poor picture I know). By looking at the hands and dial do any of you possibly know its caliber? It has a smaller, non raised, but imprinted 'IWC' on the dial, then below this the typical 'International Watch Co.' and then 'schaffhausen', and finally on the bottom 'Automatic'. I am told it is frm the 1970s, and my guess is an .854. However, the dial and hands are throwing me off. I can't find one with the imprinted 'IWC', its always a raised 'IWC' or none at all, and then different variations on the time markers on the dial. Any help on this will be greatly appreciated.