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Hi everyone! Casio just released a new watch on June 2017 very similar to the F-91W, but slightly bigger which is perfect for adults or people with larger wrists. Here's a quick review and comparison between the F-91W and the NEW W217H. Enjoy :)
http://www.shopcasio.com/product/coresport-w217h-1av-black
Tech Specs:
50M Water Resistant
LED Light
Daily alarm
Hourly time signal
1/100 second stopwatch
Measuring capacity: 59'59.99""
Measuring modes: Elapsed time, split time, 1st-2nd place times
Auto-calendar set at 28 days for February
12/24 hour formats
Accuracy: +/-30 seconds per month
Battery: CR2016
Approx. battery life: 7 years
Module: 3454
Size of case/total weight:
W217H 43.1 x 41.2 x 10.5mm / 32g