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Greetings, and welcome to the world of Jaeger-LeCoultre. Today, I'll be your guide to the proper usage, care and maintenance of your Jaeger-LeCoultre master control date. Now, this is an automatic winding time piece, but it can, nevertheless, be manually wound by taking the crown in the first position flush to the case, and turning it clockwise 20 to 30 times. This should be sufficient to start the movement, and you'll know it's running because of the advance of the seconds hand on the dial. Now, once the watch is wound, you can set it, put it on the wrist, and the natural course of kinetic action will move the case-back winding router, and energize the movement. However, should you wish to fully energize the watch, to its maximum rated power reserve of 38 hours, simply continue turning the crown.
Due to the bridal style mainspring, you cannot accidentally over-wind this automatic watch. The bridal simply slips to relieve any excess tension, and that will be your cue that the watch is fully wound. You'll hear a very subtle tick, or click, inside the watch. Once the watch is fully energized, there are two features that allow you to more precisely set the time and the date. Now, the first feature is known as hacking seconds. By pulling the crown out to extremity, two [inaudible 00:01:14] out from flush to the case, you halt the balance, halt the seconds hand. Note that the balance on the case-back is no longer beating.
Now, you can synchronize against a reference time. The best way to do this is to find an online reference, such as an atomic clock, and then set your watch by stopping the seconds hand at 12, and advancing the minutes hand to the next nearest minute, compared to the reference. Once the reference catches up to the second, push the crown back in. The second hand continues to advance. Now, you've synchronized your watch. Now, there is another setting function. The intermediate position of the crown, halfway between flush, and all the way out, and hacked. In this intermediate position, as you turn the crown in a clockwise direction, you'll note that the date window jumps.
This is ideal for correcting the watch, should it encounter an irregular length month or rundown, but take note; the automatic date jumper engages between 8:30 PM and 3:30 AM. During this period, the automatic date jumper is automatically engaged and synced to the disc and its underlying mechanism. Attempting to manually jump the date, using the quick set, can crash that engaged automatic mechanism. Between 8:30 PM and 3:30 AM do not use the quick set function of the date. If you must change the date, advance the watch fully through the date change by changing the time, according to the hours and minutes at center.
Now, the watch faces three primary hazards: water, magnetism, and shock. It's important to note that while this timepiece is water resistant to five ATM, or 50 meters, leather is a natural porous material that is never water resistant, and immersion in water or exposure to moisture will rapidly degrade it. Ensure that the watch is on some sort of rubber, textile, or metal bracelet prior to exposure to moisture.
Therefore, Jaeger-LeCoultre recommends having your watch water tested, at least every year, to ensure that the timepiece retains its factory rated hermeticity, and is safe for exposure to water. Moreover, this is also a good time to have the total condition and chronometric performance of your watch checked by an authorized service center. Finally, you can help to avoid accidental drowning by keeping the crown flush to the case and its functions unused when the watch is wet.
Remember: keep it down so the watch does not drown. Also, recall that five ATM water resistance, as rated by the factory, is sufficient for splashes, inadvertent rain, and surface exposure, not deep immersion. Magnetism is a ubiquitous threat in daily life. You find it on the closures of purses and wallets, refrigerator doors, high powered wiring rooms in the home and office, speakers, sub woofers, and professional MRI equipment. All of these can magnetize the fairest hairspring at the center of the beating balance of your watch, effectively the heartbeat of your watch. A watch that has become magnetized will behave erratically. It may gain time. It may lose time.
Now, do this exclusively at Jaeger-LeCoultre authorized services centers, as these agencies solely have the trained personnel, original factory parts, and specialized equipment to protect the value of your watch, as both an instrument and as an investment. Also, only these agencies are authorized to back all work and parts invested, with an original Jaeger-LeCoultre factory service warranty. Finally, visit our website at [ Ссылка ], where our specialists are ready to take your text, your call, or your email regarding proper usage, handling, and maintenance of this, or any Jaeger-LeCoultre, timepiece.
