Mike S. February 7, 2023 My Wife and I are producing our 1st abroad vacation soon after over 28 years of marriage and therefore are headed to Switzerland in March. I have several Seiko automatics, a Magrette diver, a Seiko Turtle Exclusive edition, a Seiko SPB169, and some others. I https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/