Friday, July 5, 2019

One of The Most Famous Perpetual Calendar - Jaeger-LeCoultre

Jaeger-LeCoultre's ultra-thin perpetual calendar is one of the most famous perpetual calendars with outstanding price/performance ratio. The ultra-thin perpetual calendar of Jaeger-LeCoultre masters should be launched in 2013. At that time, I remember very clearly, because this perpetual calendar has a steel shell version. In the year that I just came out, I went to Jaeger-LeCoultre in Guomao Yintai to see this watch. Since this watch is called the ultra-thin perpetual calendar, the biggest feature is thin. The Jaeger-LeCoultre ultra-thin perpetual calendar is only 9.2 mm thick, and this is an automatic winding perpetual calendar. You should know that the Rolex has a thickness of 13 mm, and the thickness of a 3135 calibre is 6 mm. It can be seen that this Jaeger-LeCoultre is very thin and is one of the thinnest perpetual calendars on the market. Plus the Jaeger-LeCoultre ultra-thin perpetual calendar is 39 mm in size and is a very suitable dressing table size.

The Jaeger-LeCoultre ultra-thin perpetual calendar maintains the consistent style of the Jaeger-LeCoultre series, using the toad pointer, the triangular solid time scale, and the small mark scale between the time scales. This sharp pointer and time mark is a major feature of Jaeger-LeCoultre. I personally prefer it. The best replica TAG Heuer Monaco gulf watches at captainthewatch.co.

There are a lot of things on the board, which are the 3 o'clock date, the 6 o'clock month, the 9 o'clock week, and the 12 o'clock moon phase. It is especially important to note that at 8 o'clock on the disk, there is a display of the number year, showing 20XX years. This figure shows that it is a feature of the Jaeger-LeCoultre, and I will elaborate on it below. At the same time in the center of the disk, above the center of the pointer, there is a small window. This is a warning window that can be adjusted only when the window is white. Otherwise, because there are so many calendars to switch in the perpetual calendar, adjusting the time in the restricted area will cause damage to the movement parts. This design is very intimate. In order to make people clearly see the warning window, Jaeger-LeCoultre also opened a small mouth on the pointer, and will not block the police window.

In the calendar of Jaeger-LeCoultre, the information such as the year, the week, the date, and the month are all compiled into "programs." At 8 o'clock on the side of the case, there is a hidden button. Press this button with the adjustment pen or toothpick, the perpetual calendar will automatically advance forward one day, the date, the week, the month, the year are all linked (the Jaeger-LeCoultre is calculated). It can be said that it is a one-button adjustment, which is convenient. The crown, pull out only one file, is to adjust the time. Various other information is solved by a hidden button.

The Jaeger-LeCoultre ultra-thin perpetual calendar uses the Jaeger-LeCoultre 868 movement. The 868 movement is an automatic winding perpetual calendar movement with a swing frequency of 28,800 times/hour, made of 336 parts and powered for 38 hours. The Jaeger-LeCoultre ultra-thin perpetual calendar uses the perpetual calendar technology from the nations. This perpetual calendar module was developed in 1985 by the famous watchmaker Kurt Klaus. The entire perpetual calendar module has only 81 parts, with one-button adjustment and digital display for the most distinctive features, and can be easily installed on a variety of movements. Like the well-known Dawenxi Perpetual Calendar, the Portuguese Perpetual Calendar, and the Dafei Perpetual Calendar, the module is used, so you can see that the Jaeger-LeCoultre ultra-thin perpetual calendar has the same layout and they are all the same because they use the same perpetual calendar module. . In the same group (Wan Guo, Jaeger-LeCoultre is a subsidiary of Richemont Group), the phenomenon of sharing technology is very common in today's famous watch brands.

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