BEAUTIFUL GOLD AND GLASS ENAMEL WATCH DIAL ELEGANCE FOR YOUR POCKETWATCH 33.3mm - Copper - White - 33.3mm
GLASS ENAMEL WATCH DIAL 33.3mm ACROSS DIAL FEET AT 2 AND 7:30 This BEAUTIFUL dial came off of a movement that I am also listing forsale, and not much... more>>
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| Sellers | Base Price | Buy Now |
|---|---|---|
| Bonanza - Bonanza User's booth | $65 |
GLASS ENAMEL WATCH DIAL 33.3mm ACROSS DIAL FEET AT 2 AND 7:30 This BEAUTIFUL dial came off of a movement that I am also listing forsale, and not much else is known of it's origin save that! It has a large N on the back, and the watch movement issale number: 230867160859 That movement has no makers mark, but bears very close resemblance to an International Watch Company, Model 73... but is a mirror of that movement. Thanks for looking and Please, Check out my other items! In ALL American watch ads the words "Glass Enamel Dial" were always used and never referred to as porcelain dials. Enamel may be described as the art of fusing glass on metal. Enamel should not be confused with baking enamels. Enamel is made of silica (Quartz) and may also contain borax, lead, and potash. The More lead and potash used, the softer and more brilliant the enamel becomes. Enamel watch dials are basically hand produced. The base for enamel dials is a metal disc of copper, where the edge has been turned up to hold the enamel in place during firing. Next, wire feet are soldered in place on the back of the disc. Enamel is ground to a very fine powder and sifted carefully through a sieve on to the copper disc. It is then fired at a high heat ( about 1400 to 1800 degrees Fahrenheit ) which fuses the enamel and causes it to flow evenly over the copper disc. this process is repeated two or three times. next a steel plate is used with numbers engraved on it, and these depressions are filled with a black powdered enamel. A soft gum or gelatin pad then comes in contact with the steel plate, the black enamel powder adheres to the pad, and is then transferred to the enameled dial. This operation is repeated to insure a good impression is left for the next step of firing. In the case of multi colored dials, this operation is repeated as many times as there are colors and can take quite some time for each dial in man hours as well as energy spent in production. Next the dials with the numbers applied are placed in a furnace at a slightly lower temperature than the first firings. Then the dials are laid on templates for drilling the center holes. The turned up edges that held the enamel in place during firing are ground off to bring the dials down to their finished sizes required for the size of movements for which they are being made. Sub dials and double sunk dials are stamped out separately, treating them in the same way as the main part of the dial as described above, and then these dial pieces are carefully soldered together. So a double sunk dial is really a combination of three separate dials! It is important to note that there are two distinct different types of glass enamel dial: Enamel dials can be glass enamel or hard enamel. Glass type uses a clear coat over the dial also called an under glaze. Hard dial enamel has less shine than the glass enamel. On hard enamel dials the numbers are "standing proud" or raised. Crazing: The word "Craze" means a minute crack in the glaze of the enamel. This not a crack in the dial because the dial has a backing of copper. Crazing does little, if any, damage to the structure of the enamel, even if it goes all the way through to the copper. The First Dials: Thomas Gold is credited with making the first enamel dials in America in about 1838 in New York City. Thomas had a partner from 1846 to 1851 named Thomas Reeves of Brooklyn. American watch Co. ( Waltham ) made their own dials from the beginning by dial-makers John Todd & John T. Gold.
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