In 1935 Hamilton introduced the Elinvar hairspring in men's wrist watches. Elivar was introduced earlier in railroad pocket watches. The new hairspring offered more consistent timekeeping over a variety of temperatures. 1935 also introduced a new series of models with 14/0 size movements with Elinvar hairsprings, and the 987-based models were outfitted with the 987E (for Elinvar) which replaced the 987F. The F in 987F stood for Friction - as the jewel settings were friction fit instead of being held in place with screws in the original 987.
In 1936, another men's model was introduced with an Elinvar hairspring - this time with a movement used in the ladies line-up - the 989. Officially, the movement was the 989E but Hamilton's catalog just referred to it as the 989.
The Norfolk was the first men's watch in over a decade to not feature a sub-second hand. I think it's interesting that later in the 1930s Hamilton would introduce another watch without a second hand - the Contour - but that model used the 14/0 caliber with a shortened 4th wheel bit (the second hand attaches to the 4th wheel).
The Norfolk was only offered for a single year. So it begs a question - why use a ladies movement? Was the Norfolk a trial for men's watches without second hands? Did engineers realize a 980 could be modified to work instead? Beats me - but the Norfolk isn't overly rare - and Hamilton sold quite a few.
My project watch was sent to me with a description that "it would run for a while and then stop". That could mean anything when it comes to watches... maybe it's dirty, maybe it has issues. Looking at it, as received it appears to be in good shape. The case isn't overly worn and the dial has been refinished - so it was taken care of.
The back of the case is unremarkable - it shows just a little wear to the corners.
I don't normally bother checking a watch on the timer before I work on. Why bother? I'm going to take it apart anyway. However, I've learned to listen to the little voice in my head and today it was saying, "do a pre-check" so onto the timer it went.
It's hard to tell if the Norfolk is running without a second hand but the timer listens to the ticking. According to the display, the timer is hearing all sorts of noise - so much that it cannot even register how it's running. This shotgun pattern is never a good sign.
My first though was perhaps it was magnetized. That's an easy check - all I need to do is pass it though my electric demagnetizer. This tool generates a magnetic field. If you touch iron-based metal to the side of the tool it will magnetize it. If you pass it through the center of the field, it will demagnetize it.
No deal - although the timer is picking up a different pattern of noise. There's something definitely going on with this movement. We'll just have to see if a cleaning will take care of it.
The Norfolk has a two piece case and the movement is held in the case back. With the case bezel removed you can see the dial has a scrape in the center that extends to the 8 and what appears to be a finger print over the area around the 6. The font of Hamilton is a little off center to my eye so this refinished dial is nothing to brag about.
The movement lifts out easily. The 1930s was an interesting period - it's the only time it's okay to not see Hamilton Watch Co Lancaster PA inside the case back. Keystone and Wadsworth cases are most often seen. Any other time period you should be suspicious if the case back doesn't say Hamilton. But not today - this is a legit Norfolk. You can see the movement is a 989E, just as expected.
Personally, I don't care much for this design. The balance wheel sticks out like a sore thumb and it's very exposed when not in the case. One misstep and it'll break a pivot on the balance staff.
The back of the dial has a heavy coat of epoxy securing the numerals in place. The applied gold numerals have little posts that extend through the dial. When new, they are burnished in place like rivets. When the dial is refinished, the posts need something to hold them in place. Glue is a common choice.
The first thing removed is the balance assembly in order to keep it safe. Then I'll start to disassemble the remainder of the movement, piece by piece.
I'll get out my small stash of 989 movements in case I run into something.
I also happened to have two Norfolk dials... one looks to be original with a nice even patina.
The other is nicely refinished, new-looking but without a finger print. So I have a couple of good options for this project.
Everything is cleaned and dried. This movement is much smaller than a typical men's movement and it requires a lot less space to dry. It's the same number of parts though - just a lot smaller and that makes it a little more tricky to reassemble.
The barrel bridge and train bridge are reassembled so I can check to see the if the train wheels rotate freely before the pallet fork goes back in place.
Everything is looking good. It's ready for the balance but I'll put the parts back on the front first - that way the balance will go on last. Less risky that way.
I'll put the original dial on in place of the one it came with. I'd rather have a decent original dial with patina than a new looking dial with a finger print.
Okay - ready for the balance to be installed and then off to the timer.
Ugh... it's running about 10 minutes fast per day. At least the timer is picking up the beat rate now.
A pass through the demagnetizer to be on the safe side and it's now running even faster.
It's possible to speed or slow the balance using the timing screws on the end of the balance wheel arms. They are screwed all the way in which is the fastest position. I'll see if I can unscrew them a few turns and what difference that will make.
Well, that's a little better. I'll try again.
3.5 minutes fast per day is the best I can do with the screws. My next option is to add timing washers to slow the beat rate down.
If you happened to hear and anguished cry echoing over the blue ridge mountains - that was me. Installing the second of two washers I dropped the balance about a half an inch and that was all that was needed to kink the hairspring. So I had to resort to one of my parts movements. This time I get 57 seconds fast per day and that's as good as it's going to get. I'm pushed my luck to the limit. Did I mention I don't like 989 movements?
Alright, this little 1936 Norfolk is now running and keeping decent time for an 80 year old watch. I think the new "original" dial is a huge improvement... don't you?