Since a mechanical watch uses a metal spring (the balance spring or "hairspring") as its primary time-keeping mechanism, the "stiffness" of that steel spring will vary at different temperatures, thus potentially altering the timekeeping rate of the watch.Ī major breakthrough in temperature compensation was the bi-metallic "compensating" balance, typically made out of a layer of steel fused to a layer of brass. Temperature adjustment was designed to keep the watch running at a consistent rate across the widest possible range of temperatures. Typically, the higher the number of "adjustments" the higher the quality of the watch. What these markings are referring to is the way the watch was made and adjusted for proper time-keeping before it left the factory. 5 Pos." or some other proclamation of superior "adjusted" quality. It's not unusual to see a vintage watch movement marked "Adjusted" or "Adjusted to Temp. Pocketwatch 101 ℠ – Learn about Vintage and Antique Pocket Watches What does "Adjusted to Temperature and Positions" mean?
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |