Mike S. February 7, 2023 My Spouse and I are creating our very first overseas journey immediately after more than 28 yrs of relationship and so are headed to Switzerland in March. I have a number of Seiko automatics, a Magrette diver, a Seiko Turtle Specific edition, a Seiko SPB169, https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/