Learn About Fine Watch Complications – Palm Springs Watch Dealers

breitling-tourbillon Any function on a watch that does more than indicate hours and minutes is called a complication. From the simple second hand to the most outrageous planetarium functions that indicate the position of the planets, watch complications run the gamut from useful and professional tools to luxurious testaments to a watchmaker’s mastery.

Generally, the more complications included in a watch, the more difficult it is to design and create. In the following informational article, we’ll try to un-complicate some of the more common watch complications available today.

Date Complications

The first complication most would think of is a date display—a simple indicator of the day of the month. These displays are most commonly found in a “date window” at the three o’clock position on the watch face, usually in the form of two numbers, from zero to nine. Some watches, notably from A. Lange and Söhne, feature a “big date” display: a larger display of numerals below the twelve o’clock position, sometimes in two separate windows.

Other variations include a date wheel or ‘banker’s’ date, a center hand with an arrow indicating the date along the periphery of the dial, and a subsidiary dial, a small subdial indicator often found in conjunction with other complications. While this complication may seem simple, it proved tremendously difficult to produce, and original versions needed to be adjusted for months with less than 31 days.

Other Calendar Complications

The day-date complication adds the day of the week to the date display, most often below the 12 o’clock mark, or abbreviated alongside the display aperture at the 3 o’clock position.

A triple calendar complication simply adds the month of the year to the day-date display, and an annual calendar adds the year. These functions serve mostly as testaments to the prowess of the watchmaker and not much in the way of real world usefulness, at least until science brings us true time travel.

A perpetual calendar complication takes into account leap year, preventing the watch owner from having to reset the function manually on March 1st every four years. While perhaps not particularly practical, these watches feature incredibly intricate movements, with some gears turning multiple times a second and others turning once every four years. And as one might expect, these complex movements generally come with correspondingly high price tags.

Dual Time Complications

This group of complications is sometimes referred to as a ‘travel’ complication and is used to easily tell the time in more than one time zone. A dual-time complication simply displays two separate time zones, both of which are operated by a single movement. A dual-movement watch uses two separate movements in the same case to display two time zones.

GMT watches are a kind of dual-time watch named for Greenwich Mean Time, the traditional “0” point on the 24 hour scale of international time zones. These watches feature at least one time on a 24-hour scale, either with an independently adjustable 24 hour hand or with a fixed one. Traditionally, the 24 hour hand is set to GMT and the 12 hour hands to one’s ‘local’ time—other time zones are then calculated from GMT. In reality, users often set the two separate time zones to the most useful ones for their purposes.

World Time Zone watches display all the time zones in the world, and feature a 24-hour display on a rotating inner bezel that is part of the watch movement itself. An outer bezel, set by the user, lists major cities in the 24 time zones, and the inner bezel makes one full rotation in 24 hours.

The Chronograph Complication

A chronograph is a complication most easily understood by the layman as a stopwatch. Originally invented in the early 19th century as a tool for calibrating astronomical equipment, the chronograph quickly became a way to time horse races or any other time comparison event.

With the advent of aviation and the corresponding need for precise, repeated timing, chronographs became incredibly popular, and have been used in automobile racing, Olympic sports, and military applications. Perhaps the most famous use of a chronograph was by the Apollo 13 astronauts. They used their Omega Speedmaster’s chronographs to time a critical engine burn and successfully adjust their reentry trajectory when their on-board computers had failed.

Today, there are three main kinds of chronographs on the market. A mono-poussier (or one button chronograph) features one button to start, stop, and reset the chronograph function. This simple type of chronograph is limited by its inability to measure interrupted time spans. The second type of chronograph is the fly-back. The use of a second pusher causes all the counters to reset and start again from zero, allowing for split second accuracy and repeated intervals.

A third type of chronograph, the rattrapante, is a split second chronograph that features two second-hands on the dial, one superimposed over the other. The rattrapante allows the user to measure two separate spans of time—while one hand moves, the other can be independently stopped, started, or reset.

Chronographs are probably the most useful of all the complications, whether it be for a doctor timing a patient’s pulse or a scuba diver timing a critical decompression stop. And with the introduction of a tachymeter, the chronograph became practically indispensable to early aviation. With a rotating bezel tachymeter, wrist chronographs could be used to easily and accurately calculate time, speed, and distance—the holy trinity of aeronautical navigation. Even with all of the sophisticated avionics in most aircraft, pilots today still rely on accurate chronographs.

Other Complications

watch-functions-explained A minute repeater is a complication that causes the watch to chime out the time when a lever on the case is activated. Originally a mainstay in pocket watches, minute repeaters today are mainly prized by collectors. Other self-explanatory complications include ways to indicate moon phase, tides, and even the positions of the stars in the night sky.


Grand Complications

Any watch featuring a number of complications can be considered a grand complication, though there is no official definition for the term. While Franck Muller’s Aeternitas Mega 4 can boast 36 complications, perhaps the most famous grand complication is the Henry Graves Supercomplication by Patek Philippe. At 24 complications, including a chart of the night sky set for the owner’s home in Manhattan, this pocket watch remains the most complicated watch ever produced without the aid of computer technology.

How much is such a timepiece worth? At a 2014 Sotheby’s auction, the Patek Philippe Supercomplication set a world record for auctioned timepieces, the final hammer price being an astounding $24,000,000—more than double its previous world record auction price of $11,000,000 set in 1999.

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