A. Serotonin: Often related to temper regulation and thoughts of very well-getting, serotonin plays a vital part in modulating emotions like joy and contentment. If your Omega has the words 'Grasp Chronometer' around the dial—as is found in the Seamaster Diver 300M—you could rest assured that its timekeeping is par https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/