Thougth I would show this off, just finished servicing it (one of my own finds). Had many of these in the past but never a boxed one, and mostly the ones I have seen are in the blue steel tins, how common are these wood boxed verisons?
Yes that’s the center sweep, I believe after the war, Hamilton sold conversion kits. They consisted of a minute and hour wheel to convert the movement to 12 hours also a dial and case back.
Chris, Great watch, I suspect by the overall looks of it that you had a easy time with your 16 point clean and lube and only a small "kick in the knickers" to get it up to par. Steve, Three parts (generally ) govern the ratios of Hour wheel to Minute hand cycles. To make any "hours" ratio desired the manufacturer adjusts the "leaf and/or tooth count" of the Cannon Pinion (#1), the setting pinion (#2) and hour wheel (#3). This establishes the ratio of turns of the minute (#1 cannon pinion) staff makes to cause a full 360 deg. rotation of the hour wheel by the desired 12 or 24 times (hours) to 1. The movement pictured is a somewhat rare Elgin, but there are only small difference betrween these parts and the Hamiltons.
Posts: 6492 | Location: Southern California in the USA | Registered: July 19, 2007
That Longines sure is a cool watch. I looked some for one with little luck but don't think I could have afforded it over a 4992B. I had just bought a 4992B with the Silver case finished 4/30/1943. It should be ariving Wednesday...
Chris your is a REAL nice example of the 4992B! I love the wood box they were first used with. The guy at the NAWCC Library did not have a date for when they moved from Wood to Metal. Yours is a really good deal for who ever buys it. The repo wood boxes are $150.
Posts: 32 | Location: Issaquah, Washington in the USA | Registered: February 27, 2009