The digital Watch is an item used too keep track of the in game hours, added by Years C.
The watch is used to display the in game hour of the day using a 24 hour clock. This is accomplished in two ways.
Clothing:if the watch is in your inventory or hot bar, it will draw a watch on your charters right arm. the face of the clock will display the hour of the day.
If any item your holding blocks your view of the clocks face or you go into third person mod, the time will be represented by a four digit display (00:00) to the right of the hot bar.
The Watch can be obtained via crafting.