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Heavy 14K Gold 16-Size Hunter Case 23-Jewel Riverside Maximus Pocket Watch C1907

Estimated price for orientation: 3 800 $

Category: Antique
Class:











Description
Movement: Mechanical: Hand-winding Features: 12-Hour Dial, Arabic Numerals, Subsidiary Seconds Dial, Double Sunk Dial, Red 5-Minute Track, 16 Size Case, 23 Jewel Movement, Stem Wind, Stem Set, Bridge Style Layout Movement, Fully Adjusted Movement
Year of Manufacture: 1900-1909 Escapement Type: Lever
Brand: Waltham Serial Number: 15,009,984
Material: Yellow Gold Model: Riverside Maximus
Closure: Full Hunter


Superb Heavy 14K 16-Size Hunter Case 23-Jewel Riverside Maximus Pocket Watch
U.S./Mass.; Waltham; Man’s; Serial # 15,009,984; CA1907
CASE: The yellow-gold 16-size (45-49MM) No. 136,547 hunter case has floral/machined decorations and signed “Roy 14K U.S. Assay.”
DIAL: This white porcelain double sunk dial features Arabic numerals, spade hands and signed “Waltham.”
MOVT: The 23-jewel stem-set No. 15,809,984 nickel movement has a lever escapement, bridge-style layout and signed “Riverside Maximus Waltham.”
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 9-1/2
(Rarity on a scale of #1 being very common to #10 being extremely rare)
Experts Opinion: Ashland is proud to present this pristine Model 1899 new condition 16-size 23-jewel Riverside Maximus. This 14K gold unworn beauty is fully engraved 100% of the entire hunter case. Double sunk, mint script written original Maximus porcelain dial, 23-jewel, fully adjusted bridge movement. A great addition to any collection!  te
  AI-178-23te
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.
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.
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.
Hunter Cases
A hunting case covers the face of the watch consealing the dial.  The case is opened by pressing the stem or the crown of the watch.  Hold the watch in your right hand with the bow between the index finger and thumb.  Press on the pendant-crown with the right thumb to release the cover exposing the face.  When closing, do not SNAP the cover.  Press the crown to move the catch in, close the cover, then release the crown.  This will prevent wear on the rim and catch.
Adjustment
Watch adjustment is the process of correcting those errors in the watch that cause variation in time keeping. These include temperature influences, variation in driving power and position of the watch with respect to mechanism such as pendant up or dial up.
Watches with better calibre movements will have been adjusted at the factory for a number of positions.  The usual array of positions include a subset of the following positions:
1. Dial up   2. Dial down  3. Bow up  4. Bow down (Not required by Railroad) 5. Bow left  6. B