In the 1960s the electronic quartz watch was invented, which was powered by a battery and kept time with a vibrating quartz crystal.
They had the then revolutionary idea of producing large quantities of Waltham pocket watches by using machinery set up to mass produce parts in order to make watches more easily affordable than they were at the time.
The Supreme Court has attempted to fashion something that it thinks of as a compromise, giving something to each side.
That, in fact, is the very heart of what the Court did last year in its one fully considered ruling in this series — the decision in But the depth of disagreement was newly apparent as the government and the owners of the Hobby Lobby chain of arts-and-crafts stores resumed fighting in lower courts over how to carry out the Justices’ decision, and the government keeps rewriting the rules with scant chance of closing the gap between the two sides.
Cases could be made of a wide variety of metals: gold, sterling silver, coin silver (made from melted US coinage), nickel, and plated brass. If there is a metal cover over the dial of the watch (it's called the "dial" not the "face") then it's a hunter-case watch.
If there is no metal cover over the dial, then it's an "open face" watch.