Mike S. February 7, 2023 My Spouse and I are building our very first overseas vacation right after about 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 Specific version, a Seiko SPB169, and https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/