Sunk Seconds
A dial in which the second bit, as it is called, is cut out and sunk below the surface of the dial itself, thus gaining space for the hour and minute hands.
How to true a balance, repair a chipped dial, temper a spring or test a stone — the working bench-book of the American watch trade, arranged A to Z.
A dial in which the second bit, as it is called, is cut out and sunk below the surface of the dial itself, thus gaining space for the hour and minute hands.