In those days, the concept of a specialized “tool watch” was somewhat alien, as all watches were, more or less, tools. Assessing the quality of a watch generally came down to its ability to keep time. O Train of wheels not running smoothly (friction problems).Haute horology used to be simple. O The hairspring index pins (bent, not running properly along the hairspring terminal curve) O Hairspring problems (magnetism, dirt, debris, asymmetrical) O Balance staff pivots and jewel holes not cleaned and polished well enough! O Jewel settings not sitting flat under the anti-shock spring creating friction on the balance staff pivots. O Over-oiling in general, for example, the pallet stones, the seconds hand pivot. While on the topic of amplitude (although OT I, of course, don't mind), here are my gathered notations of what to investigate should it be to low: I'm happy with the result, especially the amplitude, which I believe is pretty much as good as can be expected from the Unitas Calibre 6325. However, I'd appreciate and take great interest in your opinion about the amplitude! „Wehrmachtswerk“ Unitas 6325 - Junghans VintageĬomplemented the assembly image sequence (please see the first post in this thread) with images from my timing machine. You’ll find plenty of watches housing the Unitas calibre 6325 on eBay.īidfun-db Archive: Watch Movements: Unitas 6325 - mtr-Ranfft As a matter of fact, there is a version of the Unitas calibre 6325 having a bridge configuration that looks to be identical to the Unitas calibre 6498. So, in my opinion, Unitas calibre 6325 is an excellent and inexpensive option for the course. Unfortunately, due to its increasing popularity, the Unitas calibre 6498 is becoming more and more expensive, although there are inexpensive Chinese clones. The Unitas calibre 6325 is very similar to the Unitas calibre 6498 which is the course movement on. The following picture shows the section of the movement where that part is to be assembled along with my lubrication suggestion, and the picture after that shows the part when assembled on the movement. Generally, the sequence of pictures first shows the part to be assembled along with any screws holding it in place.
Unitas Calibre 6325 Service Walkthrough Pictures - Assemblyįor the assembly sequence to make sense it is very important that the pictures are sorted by name in ascending order. Generally, the sequence of pictures first shows the part to be removed in its position on the movement and the following picture shows the removed part separately. (Please sort the pictures by name in ascending order)įor the disassembly sequence to make sense it is very important that the pictures are sorted by name in ascending order. Unitas Calibre 6325 Service Walkthrough Pictures - Disassembly
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