For more than 400 years, Switzerland has been the world’s watchmaking and time-keeping capital. And unlike many luxury industries in other countries that outsourced production decades ago, the most respected Swiss watch brands are still made in Switzerland — often by hand, often in the same valleys and communities where the craft was born.   That makes a Swiss watch or clock not only an investment in precision timekeeping and prestigious personal style, but also a truly authentic and heirloom-quality memento of a visit to Switzerland.  Now, when it comes to souvenir shopping, I’m firmly in the ‘consumables’ camp: something you can eat or drink or share when you get…