Dead-beat seconds
![[[Arnold & Son DSTB White Gold]]\\ Here the **dead-beat second** and the associated mechanism are prominently displayed via a large sapphire sub-dial on the upper left side of the dial (click to enlarge!)](/lib/exe/fetch.php?tok=3f03b6&media=https%3A%2F%2Fwww.uhren-wiki.com%2Fimages%2FArnold_%26_Son_DSTB_White_Gold.jpg "[[Arnold & Son DSTB White Gold]]\\ Here the **dead-beat second** and the associated mechanism are prominently displayed via a large sapphire sub-dial on the upper left side of the dial (click to enlarge!)")
Arnold & Son DSTB White Gold
Here the dead-beat second and the associated mechanism are prominently displayed via a large sapphire sub-dial on the upper left side of the dial
© Arnold & Son
Dead-beat seconds (or jumping second, true beat, French Seconde Morte, German Ruhende Sekunde) are a special function of mechanical watches.
Here the seconds hand moves stepwise and exactly in a strict seconds rhythm. This mechanism is found, for example, with these models