I836 Vintage Casio F28W Quartz Digital Watch F-28W Mod.1156 Original JDM 37.4 | WatchCharts
Casio F-28W Review | WatchCrunch
Got this F-28w today and used an extra Royale strap on it. It should fit it better as the strap gets worn a couple time, these straps need some breaking in usually.