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How can I found out if my recently acquired BB36 is using a Sellita (T600) instead of an ETA (Calibre 2824)? | Page 4 | WatchUSeek Watch Forums
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How can I found out if my recently acquired BB36 is using a Sellita (T600) instead of an ETA (Calibre 2824)? | Page 3 | WatchUSeek Watch Forums
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