Rolex, www. We share here some of the resources we have discovered over the years. Based on the super-reliable B with Elinvar hairspring and mono-metallic balance, the Mod 23 adds a chronograph mechanism, making it one of the most complicated watches produced by Hamilton. To a lesser extent, dial features, like the placement of the second hand and the shape of the sub-seconds if anyare also very useful indicators. Do not use the serial number from the case. As with the selling of pocket watches, Hamilton emphasized the quality of the movement when selling wrist models.
Brief History: Hamilton Watch Company
Jazzmaster Day Date
The movement was described as being completely new from the winding arbor to the balance wheel and its parts not interchangeable with those of previous ? All watches of a particular model had the same case style though the material may vary, i. This trend caused a major shift in American watch production, with a new emphasis on producing wristwatch models for both men and women. Watt and H.