Casio DW4100 - Surfing Timer - 1991 - Extremely rare vintage watch - made in Japan : r/casiovintage
Here are my Casio Skywalker (DW401) and Surfing Timer (DW403 ). One of the most interesting chronograph dials ever and useful speed timing functions.... | By The Crown and Bezel | Facebook
Casio Surfing Timer Model # DW-403 – WatchFaces for Smart Watches
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Casio DW-402 Surfing Timer Stock Photo - Alamy
casio surfing timer] 50p at a car boot a good find I think : r/Watches