| Like countless other consumer products, the way | | | | results. French Army and U.S. Army troops that |
| in which modern wrist watches are manufactured | | | | had been issued the gun quickly discovered that |
| has undergone incredible changes since the | | | | the parts were not interchangeable, meaning that |
| Industrial Revolution that broke during the turn of | | | | the parts from one gun could not used on |
| twentieth century. This important period in world | | | | another. |
| history ushered in entirely new ways to mass | | | | A second even more serious drawback was that |
| produce products for a growing world population. | | | | the loading and firing mechanism in the guns would |
| In every facet of manufacturing there were | | | | often jamb owing to the lack of integrated quality |
| incredible technological advances that improved | | | | control methods. All in all, the Chauchat was a |
| efficiencies and helped reduce production costs. | | | | disaster for the troops that had rely in it during |
| Most of us have heard about the way Henry | | | | the brutality of trench warfare. |
| Ford changed the way automobiles were built by | | | | A far less daunting problem was faced by those |
| developing the production line assembly method. | | | | in the watch making and watch repair business. |
| Cars would constantly roll off the Ford assembly | | | | Like the Chauchat, the parts from one brand or |
| line as workers would fit various parts to the | | | | even model of watch could not used to repair the |
| chassis in a precise order and within a | | | | same make and model. A major change in how |
| predetermined time. | | | | watch parts were designed and manufactured |
| What few of us think about are the other | | | | came from the Bulova Watch Company. |
| changes that made this type manufacturing | | | | In the early nineteen twenties Bulova introduced |
| operation possible. Absolutely critical to the | | | | the world's first wrist watch designs that |
| success of the mass production line was the | | | | incorporated standardized parts manufactured to |
| development of standardized parts, components | | | | very close tolerances. The major benefit to this |
| that are nearly identical to each other. | | | | change in engineering and design strategy was |
| Prior to the development of mass production | | | | that watch makers could use the parts from one |
| assembly lines, most mechanical assemblies, | | | | Bulova watch to repair any other Bulova watch |
| including watches were built from components | | | | regardless of the model. Another additional benefit |
| that were made individually most often by | | | | to watch repairers was the ability to keep spare |
| different producers. This meant that very often, | | | | parts on hand and as a result, the time needed to |
| parts from one machine be it a car, locomotive or | | | | repair a Bulova watch was greatly reduced. |
| sewing machine, could be not be used on another | | | | As other watch producers adopted the practice |
| machine. | | | | of parts standardization and integrated quality |
| A good example of the obvious draw backs to | | | | control, the reliability of wrist watches was greatly |
| building machines individually can be seen in a tragic | | | | increased. The use of standardized components |
| story from World War One. The French | | | | meant that those parts that subject to wear did |
| developed a machine gun, the Chauchat that was | | | | so in more consistent and predictable way, |
| built one at a time by individual craftsmen. Though | | | | requiring far less maintenance and repair than |
| the plans for the gun called for the same | | | | those timepieces assembled as one of kind items. |
| dimensions, differing production methods and the | | | | Sadly, as with most old line businesses that saw |
| whim of the builder resulted in each weapon | | | | significant change and as watches became more |
| literally being a one of a kind creation. | | | | trouble free, the once wide spread trade of |
| For the troops in the field, this nonstandard way | | | | watch repair has largely disappeared. |
| of manufacturing had tragic sometimes fatal | | | | |