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Tutorial: How To Set Casio B640 Time, Date, Alarm, Timer + Tips: LCD Check and Flash Alert B640W. Sorry that the resin crystal is scratched here and there, one of my favourite watches for daily use :D
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Review : • Casio B640 Review : G-...
00:00 Start, Timekeeping Mode
00:24 LCD Check
00:59 Setting Time
01:39 Setting Date
02:14 Time Format
02:55 Setting Alarm
04:12 Alarm+Signal
05:03 Countdown Timer
06:34 Stopwatch
07:20 Flash Alert