This movement is equipped with a double flat hairspring designed and produced in-house.
A marvel of ingenuity, this movement is equipped with a double flat hairspring designed and produced in-house.
With a flat hairspring, the opening is not concentric and leads to friction due to movement of the centre of gravity.
With a flat hairspring, the opening is not concentric and leads to friction due to movement of the center of gravity.
With a flat hairspring, the opening is not concentric and leads to friction due to movement of the centre of gravity.
Flat spiral spring of tempered steel, with
Flat spiral spring of tempered steel, with
Flat spiral spring of tempered steel, with
Flat spiral spring of tempered steel, with
Flat spiral spring of tempered steel, with
The flat balance spring was made of copper or iron and had only a few coils.
The invention is characterised in that at least a part (36) of an outermost turn of said flat spiral spring (26) is positioned on an outer surface of said housing (10).
The patent was granted, and it became the Patek Philippe terminal curve: a flat balance spring in silicon with a totally concentric development.
It should be noted that a spiral flat Silicon anime this movement of lines, 38 rubies, equipped with a power reserve of 40 hours.
During a balance wheel’s vibration, a flat balance-spring does not expand concentrically with respect to its axis and therefore creates intermittent balance flaws.
This rose-gold watch is still fitted with Breguet’s self-winding 777 movement with a silicon escapement and balance spring.
Requêtes fréquentes français :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
Requêtes fréquentes anglais :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
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