Hamilton was granted the land by William Penn's heirs and is credited with founding the city of Lancaster with his son James. The Elinvar hairspring was patented in 1931 and used in all movements thereafter.Hamilton Watch was founded by merging Keystone with the Aurora (Illinois) Watch Company. The name Elinvar was derived from the term "Elasticity Invariable" and was the first alloy to resist the changes in elasticity that occur with changes in temperature.These Hamilton watches are available in quartz, automatic, and chronograph movements.
Hamilton watches are among the finest American watches in the world.
Hamilton was founded in 1892 in Lancaster, Pennsylvania, and has been an innovator of timepieces since its inception.
If you use it and the watch is exposed to different temperatures and shaken or turned then you will achieve about /- 15sec accuracy per week.
A lot of other mechanical watches are off that much in just one day.
Beginning their claim to fame as designers of Railroad Pocket watches with degrees of error measured within fractions of seconds a day, Hamilton went on to become major forces in the wristwatch line, hiring the brightest designers and engineers to oversee development of hundreds of original styles.
Today Hamiltons retain their spot as most favored timepieces among fashion artists and collectors.
Some companies (as with the Gruen Watch Company), even lost rocords to fire or other natural disaster. I am sure they had no idea that their timepieces would someday be collected.
There are several ways to get an idea of when your watch was made.
Ah, the pride of the American Watch industry — the Hamilton Watch!
Adored by railroaders and collectors the world over; treasured by those who know fine timepieces and heralded by collectors; without question, Hamilton Watch Company of Lancaster, Pa.
The reason: There have been a lot of watch manufacturing companies that have come and gone over the years.