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　　Ultra-thin movements have challenged tabulation process limit, is part of the table is committed to research and development of aircraft types. Placed in a very slim space all kinds of small parts, even complex mechanisms or modules into wafer-thin sheet, also rendered in art of piercing, this is the highest expression of the watch process, but also collectors dream collector’s Plaza.
Piaget Altiplano series of ultra-thin watches carry 1208P ultra-thin auto chain movement on ultra-thin movements make maintenance more difficult, difficult to
　　What size are the ultra-thin movement’s standard? Currently do not have a standard specification. I have booked a standard, I believe this is more reasonable and acceptable to the various brands of digital: Manual Wind Movement 2mm, automatic chain movement in 3mm, and the quartz movement in 1mm. Movement to be delicate, starting from the design of the whole movement on the need for a comprehensive consideration, such as clockwork box and winding width, until gears, escapement structure, and then on to the chain system, also works with Velum, pointers, and so on. Since it is a thin inner core, table shells are also super thin design, of course, considering the level of required extremely broad, which means that its production is very high, is not a general table can be done easily.
60 Earl of 12P for the world’s first mass production of micro automatic plate movement and is the most thin, the thickness of only 2.35mm, this record has not yet been broken. Ultra-thin movements making tough, relative movement than General in maintenance of technical specifications for more advanced, especially on the Assembly and tuning skills. Ultra-thin movements have superb technology, however the author from another point of view, fabrication of ultra-thin movements is asking for trouble. Does the chain movement on the one hand, for example, 2mm and thin type COB mounting table shells worn on the wrist you can feel the difference? Thin precision of movement is extremely high, slightly impacting may hurt gear trains, because it’s geared more thin, axis of gear is fairly short: that you can’t afford a large collision, so naturally high failure rate. Ultra-thin movements have to match thin case, otherwise it doesn’t make any sense, is too thin waterproof performance of watch case design would have to be sacrificed, even Loongson diameter to reduce daily wind up actions could also be derogated from its durability, these are the Achilles ‘ heel of ultra-thin movements. So slim, durable and to give up benefits, both difficult to choose. On the long term perspective, thin type COB warranty, and lack of resistance exercises which may affect the operation of mechanical or lose their accuracy. Normal thickness of movement than there is no such problem, choices have to be on the consumer’s wisdom.
Earl (PIAGET) complex carved 12P movement
　　Geneva tables 2010 exhibition, Earl complex carved 12P movement, Jiang Shi da DUN launched aboard 1003 slim table movement, the two movements are very classic works of the year. 12P was launched in 1960, to the automatic sheet thickness in 5-6mm 50, thickness 12P 2.35mm only does with its characteristics. The first generation of 12P screws of the balance wheel, the vibration frequency is 19,800, second generation using ring-the balance wheel, earthquake frequency of 21,600 times. 12P to bi-directional wind one-fourth miniature chain mechanism on automatic game is, in order to speedily and smoothly reach chain efficiency, automatically to a large proportion of 24K metal material, both with Satoko and face. In the 60 ‘s rare gold for automatic disc material, even if PP 18K gold, slim, elegant and honor that PIAGET pretty scenery. Nevertheless 12P design also has its shortcomings, its automatic disc bearing axis rather than retrofitting of small ball bearings of ball (Ball Bearings), axis of automatic plate of pure gold that cannot afford, gradually wear and small automatic disc will have heavy sloshing phenomenon, it’s about the only missing. In addition, only when the minute hand shows that less second hand, cannot be seen running of pointer and the passage of time, this is what most consumers care about design, but to thin had to give up some performance.