Mike S. February 7, 2023 My Wife and I are making our to start with overseas excursion right after over 28 yrs of marriage and therefore are headed to Switzerland in March. I have quite a few Seiko automatics, a Magrette diver, a Seiko Turtle Unique edition, a Seiko SPB169, https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/