The best way to calculate your wrist size is to use the Apple Watch band size chart ... is between 165mm (6.5 inches) and 195mm (7.8 inches). Some bands are easier to measure than others.
but this isn't a particularly good deal unless you're desperate for one of the best Apple Watch bands. Check out my colleague Stephen Warwick's piece on why you should buy an Apple Watch somewhere ...
Venture into the wilderness with a smartwatch you can trust. Today, when you order the Garmin Fenix 7X Pro through the manufacturer, you’ll only pay $750!
You just can't have a proper Apple experience without an Apple Watch and luckily Black Friday is bringing a slew of irresistible offers featuring the Big A's smartwatch line!
Just be aware that Garmin has omitted its top-tier Multi-Band mode here ... consistently achieve 6-7 days in a very power-intensive setup. That makes it a worthy Apple Watch alternative.