Mike S. February Seven, 2023 My wife and I are making our very first overseas trip after over 28 yrs of relationship and so are headed to Switzerland in March. I have various Seiko automatics, a Magrette diver, a Seiko Turtle Distinctive edition, a Seiko SPB169, and some Many others. https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/