Automatic Watches: A rotor swings in response to motion Posted by Mike on 17th Jul 2025 Automatic Watches: A Rotor Swings in Response to Motion When tradition meets innovation, you get the fascinating world of automatic watches. These timepieces are a marvel of engineering, running not on batteries or manual winding, but by harnessing the natural movements of your wrist. At the heart of an automatic watch is a rotor—a small, semi-circular weight that swings freely inside the watch. As you move your wrist throughout the day, the rotor spins on its axis, winding the watch’s mainspring and storing energy. This stored energy is what keeps the watch ticking smoothly, often for up to 40 hours or more without needing additional motion. The beauty of automatic watches lies not only in their self-sustaining mechanism, but also in the craftsmanship and legacy they represent. Often encased in transparent backings, they allow you to witness the movement of the rotor and gears—tiny parts working in perfect harmony. Automatic watches are ideal for those who appreciate both function and tradition. They blend classic watchmaking techniques with the convenience of modern-day wear. With regular use, they require no winding or battery changes, making them a timeless companion for daily life. Whether you're a collector or simply someone who appreciates the artistry of horology, an automatic watch offers elegance, precision, and a true connection between motion and time.