What is the dial of the watch, and what are the dials
Currently, electronic watches have become popular, which show time on their screens in the form of numbers. During the whole history, starting with the invention of the sundial in ancient Egypt, mankind used an analogue clock, an integral attribute of which is the dial. What is the dial? Consider this article.
Dial - watch face
What is the dial? This is the front of the analog clock, which has divisions designed to determine the current time. This part in the device plays the same role as the face for a person. Indeed, thanks to the various technical details of the watch face, it is possible to determine what they are intended for. Whether it is a normal watch with a second hand, or is it a stopwatch, which is designed to measure the exact time in sprint competitions of athletes.
What is the dial, and where did the word come from? The word is of German origin, consisting of two words ziffer (number) blatt (sheet), that is, literally it turns out "a sheet of numbers."
On the first mechanical watch dial was made of iron. Then, they began to use copper, brass, silver, mother of pearl and various stones, platinum and synthetic materials.
Different dial options
What is the dial, and how does it differ on different models of watches? Mainly, different variants differ from each other by the feature of the divisions applied on them and by the hour hands. As for the divisions, the numbers on them can have an Arabic or Roman inscription. All 12 numbers can be put on the dial, and only 12, 3, 6 and 9 can be put. The hands of the dial are a whole work of art, they can have various forms, for example, Dauphine, Breguet and others. In addition, the watch may contain various additional devices, for example, a chronograph.
Currently, in the manufacture of a clock face, tritium, a radioactive isotope of hydrogen, is added to some of its elements, which contributes to the luminous glow of these elements, so these clocks can also be used in low light. Clocks containing tritium are marked near the number 6 with the symbols “T” or “T25”.