I honestly never gave much thought to comparing these two movements quality-wise as I thought both are great.
here's one of our '50's watches from the deep tropics with an A.S. movement. manual wind. the movement still looks like new and the original dial is more than presentable. try finding a mid 50's non-screw-down-crown tudor in the tropics that still looks this good. some of these "lesser" brand watches have very high quality construction and used top-shelf paint in their dials.
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