Mike S. February 7, 2023 My Spouse and I are creating our initial overseas journey just after about 28 yrs of marriage and so are headed to Switzerland in March. I have various Seiko automatics, a Magrette diver, a Seiko Turtle Specific version, a Seiko SPB169, and some Other folks. https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/