Mike S. February Seven, 2023 My wife and I are creating our very first overseas trip following about 28 yrs of marriage and so are headed to Switzerland in March. I have several Seiko automatics, a Magrette diver, a Seiko Turtle Particular edition, a Seiko SPB169, and some Other folks. https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/