My CA-53W has BOX around "WR", which I've never seen elsewhere. Is this a fake? : r/casio
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Casio Retro CA-53 — Vintage Calculator on your Wrist
Casio CA53W-1CR calculator watch LOT OF 2, orig. box and manual for both | WatchCharts
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Some question regarding the Casio CA-53W | WatchUSeek Watch Forums
Casio Databank CA-53W Calculator Watch | Reviews by WYCA
CASIO Databank] CA53W-1, my favorite watch in my collection, nostalgic watch : r/JapaneseWatches
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