Wrist Watch Structure

THE TOP PLATE The Movement as Seen from the Back of the Watch picturerect unravel phase THE BOTTOM PLATE *The* Dial Side of the Movement drawrect drawframe THE KEYLESS WORKS Winding and Hand-Setting drawframe THE trend WORKS The Hour, Minute and Second Hands drawframe The Cannon Pinion, Hour Wheel, Minute Wheel and Wheel Pinions drawrect drawframe The exemplar above shows the motion works of a center-seconds watch. (1) The fourth wheel pinion, which carries the seconds hand. (2) The center wheel pinion, which carries the cannon pinion. 3) The cannon pinion, which carries the minutes hand. (4) the hour wheel, which carries the hour hand. drawframe The second illustration diagrams the power unravel from movement to hands. (A) The movement plate. (B) The center wheel. (C) The fourth wheel. (D) The cannon pinion. (E) The hour wheel. (F) The minute wheel. You can follow the power flow with the red numbers, 1 through 8. drawframe The Balance Wheel Amplitude drawrect Amplitude may be m easured with an electronic timer, or may be visually estimated. In the illustration the balance is in its centered (rest) position.The clockwise endure of one spoke (bottom) is indicated. Normally, the spoke will travel to between 275 and 315 degrees before reversing its direction, returning to center, and traveling 275 to 315 degrees counterclockwise. The Balance Wheel in Detail drawrect drawframe *THE ESCAPEMENT Escape Wheel,* Pallets and Balance Staff drawrect drawframe The Mainspring, Mainspring Barrel, Barrel Arbor, Ratchet and Crown Wheel drawrect drawframe The Wheel Train drawrect drawframe Screws *The* mingled Screws Used in the Watch drawrect drawframe