The Timex caliber M22 was one of the first Timex movements and was found in almost every old Timex watch before 1964. It was a very simple and economic construction. It’s “V-Conic” escapement was responsible for the legendary shock resistancy of these watches.
Nickel anular balance|
|Balance bearing / direction hairspring:||Bridge|
|Adjust mechanism:||Hairspring key|
|Construction type:||pillar construction|
|Functions:||hour, minute, (second)|
|Size:||8 1/2 x 10 1/2'''|
|Production period:||- ca. 1963|