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Here is a second tool at the NAWCC Museum that we cannot identify. The small piece with all the grooves is a dovetail slide. The large top is...
We have a couple of tools at the NAWCC Museum that we cannot identify. The first one appears to be some kind of lathe or turns. What is it?...
That post was a long time ago. I am not sure what you are asking, but I'll make a stab at it.
Yes, you should always take the watch...
I know from the Hamilton records that they would make a contract for a few hundred watches to be delivered under specific specifications. For...
I think what he is asking has to do with the modifications made in the A11 specifications. For example, in September 1944 the specifications...
Dr. Jon said:
"My view, which is heretical and outside the mainstream, is that the Model 21 was a colossal blunder. All the lives lost because...
This is from the Hamilton Model 21 Chronometer Manual
And this from the model 22 manual
I look forward to seeing you again. We owe you so much for all the great work you have done for the Museum.
Yes, we have many jobber catalogs...
Is it one of these from the 1956 Hamilton catalog? There are lots of cases from this time that look similar. If we had a picture of your watch,...
For reference, here are the Factory Cased Elgins from 1929.
A friend of mine is looking for a Schatz platform escapement for a time and strike. Can anyone help him find one?
I am going to attempt to answer the original question.
When you check the rate of the watch we either use a timing machine for check the watch...
Go to http://pocketwatchdatabase.com/search/result/waltham/ and put in your serial number.
The best way to value watches is to study the prices paid for identical or similar watches on internet auction sites like Ebay. Follow the...
You also asked about precision for these watches. Wristwatches in common grades were not well adjusted or regulated. Before they were cased they...
Here is the first page from the Service Bulletin 206
Here is the information that you requested.
Sorry, but no photographs visible.
What kind of dial? Porcelain dials were soldered together using a low melting solder, so a glue might be the best you can do.
The earliest I have for a ladies' Hamilton wristwatch is 1914. We do not have a 1913 catalog.
The earliest I have for a men's Hamilton...