This (discontinued) Casio Beside BEM-SL100D is a 40mm integrated bracelet sports watch, super thin at 7.1mm. Unfortunately not much (official Casio) information on the watch is available online. The finishing on the bracelet, case and bezel shines great on the light, and the camera does not do the flaky textured dial justice. Great sizing too, considering the effective 52mm lug-to-lug.
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Nice, that's a rare one
Cracking watch.