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Mint 14K Gold Case 21-Jewel 3-Finger Bridge Model Elgin Pocket Watch CA1897

Estimated price for orientation: 3 100 $

Category: Antique
Class:











Description
Movement: Mechanical: Hand-winding Closure: Open Face
Year of Manufacture: Pre-1920 Features: 12-hour Dial, 3 Finger Bridge, 21 Jewel, Double Sunk Dial
Brand: Elgin Country Made: USA
Material: Yellow Gold Serial Number: 6,469,030


Unused 14K 21-Jewel 3-Finger Bridge Open Face Man’s Pocket Watch
Ill./U.S.A.; Elgin; Man’s; Serial # 6,469,030; CA 1897
CASE: The 16-size (45-49MM)No. 171,159 14K yellow-gold case has machined decorations and is signed “W. W. Co. Mfg. Co.”
DIAL: The white porcelain single sunk dial features Arabic numerals, Breguet/moon hands and is signed “Elgin.”
MOVT: The 21-jewel stem-set No. 6,469,030 nickel movement is fully adjusted with a lever escapement, bridge-style layout and is signed “Elgin.”
CONDITIONS:
C 2 (The case is in perfect condition)
D 2 (The dial is in perfect condition)
M 2 (The movement is in perfect condition)
R 9 (Rarity on a scale of #1 being very common to #10 being extremely rare)
Experts Opinion: Circa 1897 – A super mint and heavy 14K gold 16-size open face case with extra heavy engine turnings. Solid gold French bow with unusual flat rim instead of rounded style. Mint original double sunk porcelain dial. Last is the magnificent nickel 21-jewel bridge movement Grade 162. Elgin’s highest Grade for 21-jewel bridge models!   AI-177-24te
Jewel Count
Jewels are used as bearings to reduce metal-to-metal contacts which produce friction and wear.  They improve the performance and accuracy of the watch and materially proglong its usefulness.  The materials used for making watch jewels are diamonds, sapphires, rubies and garnets.  The diamond is the hardest but is seldom used except for cap jewels.  The sapphire is the next hardness and is the most commonly used because of its fine texture.  Garnets are softer than than sapphires and rubies.
Stem Wind/Stem Set Movement
Stem-wind, stem-set movements did away with the watch key which was a necessity for the operation of any pocket watch up to that point. The crown of the watch is pulled out a short distance allowing the hands to be turned to set the watch.  The crown is pressed back into place and is turned to wind the watch.
Bridge Style Layout
The metal bar which bears the pivot of wheel and is supported at both ends.  The bridge style watch has two or three fingers to hold the wheels in place and together are called a bridge.  The term bridge (horologically) is one that is anchored at both ends.

Lever Escapement
An escapement is a device in mechanical watches and clocks that transfers energy to the timekeeping element (the "impulse action") and allows the number of its oscillations to be counted (the "locking action"). The impulse action transfers energy to the clock's timekeeping element (usually a pendulum or balance wheel) to replace the energy lost to friction during its cycle and keep the timekeeper oscillating. The escapement is driven by force from a coiled spring or a suspended weight, transmitted through the timepiece's gear train. Each swing of the pendulum or balance wheel releases a tooth of the escapement's escape wheel gear, allowing the clock's gear train to advance or "escape" by a fixed amount. This regular periodic advancement moves the clock's hands forward at a steady rate. At the same time the tooth gives the timekeeping element a push, before another tooth catches on the escapement's pallet, returning the escapement to its "locked" state. The sudden stopping of the escapement's tooth is what generates the characteristic "ticking" sound heard in operating mechanical clocks and watches.

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