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Early pocket watches
Use in railroading in the United States
- "...open faced, size 16 or 18, have a minimum of 17 jewels, adjusted to at least five positions, keep time accurately to within 30 seconds a week, adjusted to temps of 34 °F (1 °C) to 100 °F (38 °C), have a double roller, steel escape wheel, lever set, regulator, winding stem at 12 o'clock, and have bold black Arabic numerals on a white dial, with black hands."
Types of pocket watches
Types of watch movements
Key-wind, key-set movements
Crown-wind, crown-set movements
Crown-wind, lever-set movements
Crown-wind, pin-set movements
- For more information, see Mechanical watch
- Dial up.
- Dial down.
- Crown up.
- Crown down.
- Crown left.
- Crown right.
- Temperature (From 34-100 degrees Fahrenheit).
- Isochronism (The ability of the watch to keep time, regardless of the mainspring's level of tension).
Decline in popularity
 Watch manufacturers and manufactures
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- ^ p. 2651, "Watch, Mechanical", vol. 19, How It Works: Science and Technology, 3rd ed., Marshall Cavendish, 2003, ISBN 0-7614-7333-5 (vol. 19), ISBN 0-7614-7314-9 (set.)
- ^ p. 253, The Grove encyclopedia of decorative arts, Gordon Campbell, vol. 1, Oxford University Press, 2006, ISBN 0195189485.
- ^ Van Horn, Carl (2003). Work in America: M-Z. ABC-CLIO. p. 236. ISBN 1576076768.