Most people around the world track time using the Gregorian Calendar, brought to public use in 1582 by Pope Gregory XIII, as it was (and remains today) far more accurate than previous calendars. In the Gregorian Calendar, leap years compensate for the Earth’s fractional 365.2425-day trip around the sun. Leap years effectively average out our years to a tidy 365 days, but even this system is not exact, because the actual solar year is 365.24667 days. Because of this slight inexactitude of the Gregorian Calendar, after 400 years our timekeeping ends up three days ahead of the sun’s actual rotation. So, we drop those extra three days by skipping the leap year every 100 years, meaning we only do this three times in 400 years.
You follow all that? Given the complex anomalies of our calendar, fashioning a tiny mechanical device that can track all of this information accurately is an incredible accomplishment. Timepieces that incorporate this information are called “perpetual calendars,” and it was Patek Philippe that led the development of fitting this feat of human engineering into small wrist 1:1 UK replica watches.
To better understand perpetual calendar cheap fake watches, consider the following diagram. You’ll see that as watches extend the time interval that they track from seconds to minutes, all the way out to leap years, the complexity of the movement advances from the simplest mechanical timekeepers like stopwatches to the perpetual calendar, with a number of increasingly complex mechanisms in between.
Mechanical top Swiss replica watches consist of a power source (the mainspring and barrel), the transmission that controls the rate at which the hands and other indicators move (the gear train), and a power distribution and regulation device (the escapement). To appreciate what goes into perpetual calendar Swiss made copy watches, we’ll focus on the gear train.
The mainspring (our power source) turns the barrel cog that drives the gear train. By varying the size of the subsequent cogs in the gear train, the ratios work out to produce the movement of the various hands that subdivide time into seconds, minutes, hours, days, and so on.
As we add longer and longer subdivisions of time, the gear train grows more and more elaborate. As you can imagine, the gear train of a perpetual calendar is one of the most complex ever devised. But far more than mere gear ratios are involved when a movement compensates for the variances in month length and leap years. To accomplish this, myriad clever sub-mechanisms allow the replica watches with Swiss movements to run perpetually without adjustment for up to 100 years, at which point it needs to be adjusted by one day.
Replica Patek Philippe Reference 2499 Watches
In 1951, luxury Patek Philippe fake watches brought out the venerable 2499, a perpetual calendar with full chronograph function and a moon phase complication, and the successor to the famous 1518. At 37.6mm in diameter, the 2499 was a little large for its day, but given the machine running inside it is still considered a marvel of micro-mechanical engineering. The 2499 was in production until the mid 1980s, and only 349 examples were produced. AAA Patek Philippe replica watches updated the 2499 from time to time, changing the shape of the chronograph pushers, replacing numerals with stick markers, and so on, but the movement inside remained largely unchanged.
Fake Patek Philippe Reference 5207 Watches
We jump to 2008’s 5207 because — despite the myriad perpetual calendars that came out before it — the 5207 features a patented perpetual calendar mechanism that jumps instantaneously, as well as a minute repeater, a moon phase, and a tourbillon. This is a serious grand complication.
Building a mechanism that jumps instantly requires that each display’s gear “stores up” energy and then releases it in an instant, whereas previous mechanisms took many hours to use up that energy and rotated their discs slowly. That means more R&D, more parts to produce and assemble, and, of course, more of what some replica watches wholesale online lovers crave most: complexity. The 5207’s understated dial continues the stylistically conservative approach Patek has always taken with its perpetual calendars.
Patek Philippe Reference 5550 Replica Watches
The 5550 of 2011 again sees Patek hiding its high technology behind traditional dials, perhaps more so than with any other fake watches shop site to date. The 5550, produced in just 300 examples, is an automatic perpetual calendar with moon phase, harkening back to the automatic 3449 of 1961. Its traditionally styled silver dial sneakily conceals a cutting-edge oscillating system with Pulsomax® escapement, Spiromax® balance spring, and GyromaxSi® balance in Silinvar® and gold. As part of the Patek’s Advanced Research program, the 5550 represents Patek’s ongoing commitment to using modern technology in traditional super clone watches for men.