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.
In general, an average watch wearer's motion is enough to power an automatic watch for 2-3 times as many hours as it is actively worn. If you wear your automatic watch at least 10-12 active hours 7 days a week, you should maintain 50% (about 20 hours) of power reserve by the end of the day when you take it off. It does not hurt an automatic watch to manually wind it every once in a while to make sure its power reserve is 'topped off.'.