Mike S. February 7, 2023 My Spouse and I are producing our 1st overseas vacation immediately after in excess of 28 years of relationship and so are headed to Switzerland in March. I have quite a few Seiko automatics, a Magrette diver, a Seiko Turtle Exclusive version, a Seiko SPB169, https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/