The Casio Vintage B640WMR-5A is a slim digital watch in rose-gold tone, with a resin case, a resin crystal and a stainless steel bracelet on a deployant clasp. It runs on a quartz module with a CR2016 battery rated for about three years. At 35 mm wide and 9.4 mm thick, it wears small and light at roughly 55 g, closer to the 1980s–90s Casio look than to a modern smartwatch. It suits shoppers who want a retro digital look with a metal bracelet and don't need Bluetooth, solar charging or a step counter.
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Rated 4.9 out of 5 across 307 ratings, buyers treat it as a good-looking, easy everyday digital watch. The retro styling and light weight come up often. Complaints are few and mostly about the resin parts.
The Casio B640WMR-5A is a unisex digital quartz watch from the Vintage line. It has a rose-gold resin case, a rose-gold dial and a digital display. The crystal is made of resin.
The bracelet is rose-gold stainless steel with a deployant clasp. The watch runs on a CR2016 battery, with a stated battery life of 3 years.







