Mike S. February 7, 2023 My Wife and I are creating our very first overseas vacation following about 28 years of relationship and they are headed to Switzerland in March. I've various Seiko automatics, a Magrette diver, a Seiko Turtle special version, a Seiko SPB169, and a few Other individuals. https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/