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I recently won an auction on an American brand, which is lesser known for pocket watches. A Gruen Empire 26 from 1922, the case American (Gruen) in 14K white and yellow gold. The movement is caliber V1.5, the Gruen top of the range Swiss made movement. 21 jewels, 8 adjustments (5 positions, 2 temperatures and isochronism). And in really lovely condition. Even the glass seems original and of the bulleye kind (crystal).
Canuck warned me that the crystal on the Gruen is vulnerable. So I made this wallet that reminds me of my police credentials.
Very thin in indeed. Now… let’s see if I get the vomit emoji from Canuck.
This dial, on a donor Gruen in my stash is the dial that was offered to @Duracuir1 for his Gruen pocket watch. But it is also much like the dial that @TexOmega has on his Gruen pocket watch. But different movement in my donor watch.
Yes, it is a quarter repeater in an 18K case, the case alone (with crystal only) having 80,0 g. Yes, with a fusee, of course. "Bull´s eye" crystals were rather rarely fitted to top grade watches in that era originally.
Regarding the escapement, it has a cylinder escapement and this seems very unusual at the time to be combined with a free sprung (early) Pennington compensation balance. This was what caught my attention initially. Close inspection of the movement then revealed that it either initially was a detent chronometer, or that the raw movement was designed to be fitted with both kinds of escapements as alternatives. The only tell tale is that holes for steady pins and a fixing screw for a detent foot are provided. The cylinder escape wheel is placed exactly where the detent escape wheel would have been. But there are speculations possible only. At that time English cylinder escapements were highly regarded (and very fine executed). And a customer might have chosen to prefer a cylinder escapement due to the fact that this is self starting, whereas a detent escapement is not, and even may stop running occassionally upon a "matching" movement of the watch (in most cases rotation around an axis of the balance). Insofar the cylinder escapement is the more practical escapement. On the other hand, the locating pins of a detent would have been placed in the plate after having made the detent. This would point to a later conversion. But if the detent was broken, it is rather unlikely that the customer, who had the money for such an expensive case, would not have the funds for having a new detent being made. But perhaps the customer had made the experience that the detent escapement occasionally stops, and upon needing to have the detent repaired chose the conversion to cylinder escapement for the above reasons.
Here you see the rods and the hammers. And the place where a detent was located or initially intended (whatever hypothesis you prefer).
This week end is the 2025 edition of our local model train show. Supertrain. Two of us have exhibited at this event for at least 25 years. This year, we are three involved in the exhibit. God attendance, and the usual annoying question (what’s it worth), but lots of intelligent questions as well. Our display thus far has been well received.