Mike S. February 7, 2023 My Wife and I are earning our to start with abroad vacation immediately after about 28 yrs of relationship 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 a https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/