For the price you can not expect much more. The functions are ok would be desirable a clearer manual. The usual "CASIO Mini Bible" is somewhat unwieldy. The conversion of the bracelet is not really bad. Went with me in 10 minutes with the awl from Swiss Army knife. Certainly not the school has solution, but it works well: locking plate 'slide out in the direction of arrow, belt buckle inward, unhook desired item. Assembly vice versa