Mike S. February 7, 2023 My Spouse and I are building our initial overseas trip right after over 28 decades of marriage and so are headed to Switzerland in March. I have various Seiko automatics, a Magrette diver, a Seiko Turtle Exclusive version, a Seiko SPB169, and some Other individuals. https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/