Music was such an important part of life in the Baroque era that it can be found in all kinds of places. This instrument, the Trompe Dauphine, is a kind of hunting horn and would have been carried on horseback during the hunt and used to play signals to let the rest of the hunt know what was happening.
As a general rule: 1  Quartz models should be given a routine service every other time the battery is changed. 2  Regular mechanical models should need routine service only every 5 years or so. 3  OMEGA states that their Coaxial models should need routine service only every 10 years.
The four main watch batteries. 1  Mercury watches can last about 3 years, but they provide very consistent voltage and therefore keep the time accurately. 2  Silver oxide batteries are just as powerful as mercury batteries, but they are smaller in size.