![]() The hairspring has a micro-regulator which is a feature I really like. And because it's bimetallic, it doesn't fluctuate as much with temperature changes. The studs in the balance allow the balance to be, well, balanced so that it doesn't wobble or anything. It looks like it has a screwed, bimetallic balance which is good. The spring is bent so that the circles in the spring are as concentric as possible so that the pulse of the balance is as regular as possible. It has a breguet hairspring, which is good. ![]() ![]() It's 3/4 plate which means that the balance, (the wheel that has the hairspring that creates the 'ticking') is sunk, rather than raised on top. It says that it's a size 12, which is 39.79mm. It's Adjusted, which is the middle level of "tuning" for precision, so at the factory it was adjusted to ~3 positions (when the watch is upright, when the watch is upside down, when the watch is upright on it's side), and it has upgrades to allow it to be better adjusted, but not fully upgraded (traditionally, this is a later watch where things were more streamlined) Bartlett which is kind of like a trim level for a car, e.g. If the inside of the case back doesn't say "filled", or "plated", or other things like that there's a chance the case could be solid 14 karat white gold. ![]()
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