Invicta Pro Diver Automatic Watch

Same damn game used in selling mattresses today--impossible to compare directly from store to store, even though the mfgs are the same!

That makes sense - back in the mid 90's, when I worked in computer retailing, companies like Packard Bell were infamous for making a dozen part numbers for every conceivable configuration, with each tied to a single retailer. It deliberately broke price-matching, and there were enough tiny differences so that no two were exactly alike.