With both types of watches, there are pros and cons. A mechanical watch can perform all its functions with no battery, simply by moving your wrist or winding the crown. The Apple Watch offers an vast array of modern functions, much like a smartphone—from sending a text to tracking your daily activity. Useful functions that are not within the realm of mechanical watches, unless you count the chronograph, the pulsometer, etc. You can buy an Apple Watch for as low as $269 for an original Series 1 or up to around $1,499 for the new Ceramic Edition. Mechanical watches can range from a few hundred to hundreds of thousands of dollars… More at Valet.
You can’t really compare the two, but I know which side I am on. The picture says it all.