IWC has taken the Vogt innovation one step further. For example, the watch no longer has a huge lever on the edge of the case that must be opened before the Timezoner function can be activated. Instead, the function is almost entirely hidden behind the left side of the case, where a closer look reveals two narrow recesses that extend towards the lugs.
IWC’s engineers combined three technologies to create the Timezoner mechanism. First, there is the city ring from the Pilot’s Watch World Time Zone: the name of each city represents one of the international time zones. Second, there is the spring-loaded rotating bezel: first used by Porsche Design on the Aquatimer 2000 in the 1980s, this bezel can only be rotated by applying pressure to two opposing points at the same time. Third, there is the rotating system of the outer and inner bezels of the Aquatimer: this system transmits the movement of the outer bezel to the hour wheel, the 24-hour hand, and the date wheel through a differential gear train.
In terms of timekeeping, IWC’s self-winding manufacturer Caliber 89760 runs inside this Worldtimer replica watch with a reliable balance rate performance. This construction allows you to keep the chronograph running continuously while the rate of the watch remains stable, increasing by an average of 2.9 seconds per day. A handy feature worth mentioning is that the elapsed minutes and hours share a sub-dial at 12 o’clock, where the elapsed time can be read visually, just like on a regular dial.
The movement has all the hallmarks of an IWC watch: robust construction, ratcheting winding, and a very long power reserve of 68 hours. It is a member of the 89000 caliber family, the first chronograph movement developed entirely in-house by Schaffhausen, as was the 89360 caliber introduced in 2007. Further development of the 89800 calibers incorporates a large digital date and month display.
The typical shape of an IWC Pilot’s Watch unfolds under a sapphire crystal with an anti-reflective coating on both sides to prevent sudden pressure loss. The design of the Pilot’s Watch is characterized by legible numerals and hands, legible nighttime time, and contrasting black and white elements. This color scheme complements the date display. Relying on white numerals on a black disc, this indicator gradually changes to show the next date at midnight each night. A clearly calibrated scale on a steep flange along the periphery of the dial provides a double service for the minutes and elapsed seconds. The 24-hour display on the anthracite-colored ring inside the hour circle is less visible.
With all this distinctive equipment, the fake Rolex Watch Timepiece clearly succeeds in becoming a pilot’s watch classic. The essential elements of a pilot’s watch are placed in the foreground, while the additional functions and corresponding indices convey the impression of instrumentation and pilot-like elegance.