I've now talked about how mechanical watches work, and how quartz watches work, and I've done some reviews of some gems on both sides. Today, I'm issuing my final verdict. Mechanical watches make great jewelry, and they're pretty cool, but if you want a functional timepiece for your everyday carry (EDC), you're probably better off going with a Quartz watch. How Quartz Watches work: https://www.youtube.com/watch?v=1DDkFtZjFek How Mechanical Watches work: https://www.youtube.com/watch?v=Oc6o9D7cWgc Review of the Casio Oceanus: https://www.youtube.com/watch?v=isoFW9vobvI Review of the Sinn 104 St Sa I: https://www.youtube.com/watch?v=f1fimWOj27U