This Week’s Featured Watch #58 – Jet Automatic, 21j

The ‘Jet’ range of automatics was introduced by Citizen in October 1961. They used their in-house movement with circular, geared rotor and were made until around 1965. The first movement was the 0310, with 21, 23 or 25 jewels with no date or day complications. My example of this one is a new arrival, and is in very decent condition. The gold plated case has stood up very well, the older plating seems to be better quality than we see in the 1970s:

There are a few scratches on the glass, but that can probably be improved with a little polishing, especially since it’s acrylic. The dial printing is very fine:

The back is well worn, aided and abetted by rather shallow engraving – this shows that the watch has been well used, evidencing the quality of the plating on the case:

At the right angle the markings can just about be made out, from ‘STAR’ (the case factory name) at the top to the case number, JT15803, at the bottom. On the inside of the back, free from wear of course, we find the serial number, giving a production date of August 1962. There is also evidence of servicing work being done:

The movement looks to be in good condition, and is running well, keeping good time:

It’s always good to open one of these up 🙂

More info on the Jet auto’s here: https://sweep-hand.org/the-jet-automatic/

 

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