drop_point
Silver $$ Contributor
Depending on the venue... no, you can't.
2017 FCWC, smartphones, smart watches and even fitness trackers had to be left back in the 'ready' area behind the line. Anything that could receive even an SMS message was not allowed, to prevent someone receiving "coaching" from behind the line.
Not all watches are smart watches. The rules expressly prohibit electronic communication devices unless coms are turned off.