Mike S. February 7, 2023 My Wife and I are building our 1st abroad trip just after more than 28 yrs of marriage and they are headed to Switzerland in March. I have several Seiko automatics, a Magrette diver, a Seiko Turtle Unique version, a Seiko SPB169, and some Many https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/