Mike S. February 7, 2023 My Spouse and I are making our 1st overseas vacation immediately after over 28 many years of marriage and are headed to Switzerland in March. I have many Seiko automatics, a Magrette diver, a Seiko Turtle Specific edition, a Seiko SPB169, and some Other individuals. https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/