Clear front and back allowing a view of the gears.
Easy setting, rotating, twisting the top button on the spin, tightening a walk for 24 hours (not too tight, avoid damaging the movement)
Pulling out the button on the watch a little to adjust time, and no need to use battery
Fashion open face pocket watch fob comes with a new gift box
For safety, the front and back are made of Acrylic plastic instead of Glass.