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.
Apple designed Apple Watch with a battery life expectancy of 18 hours per day, and from my own experience, I can definitely attest that it usually far exceeds that number. But of course, it all depends on your usage. Depending on what you do with it, you might see better or worse battery life.