Download zenith triple date moonphase8/22/2023 ![]() For Europeans, though, it took another two centuries to invent their own astronomical clocks. Known as Cosmic Engine, the 12m-tall mechanical clock was designed not only to tell time but also revealed how the stars and Earth move through space. Here is Arnold & Sons HM Perpetual Moon, which features an oversized, 29mm moon phase displayīut what laid the foundation for the modern watches with moon phase was the invention of the first astronomical clock by the Chinese scientist Su Song in 1092 AD. There’s something quite magical and poetic to have the moon on your wrist. Built by the ancient Greeks in 205 BC, the astronomical calculator was able to display the position of the moon, dates, and even the timing for the ancient Olympic Games. This led to the development of the Antikythera mechanism. As humans continued to evolve, their desire to understand the movement of celestial bodies grew too. Archaeologists believe that the hunter-gatherers of Mesolithic Britain used the calendar to keep track of the passage of the seasons and the lunar cycle. The earliest evidence was discovered in Scotland-a 10,000-year-old lunar calendar consisting of a series of 12 large, specially shaped pits which resembled various phases of the moon. In fact, early humans used the moon to tell time even before the first language was written, before the establishment of any civilisation, and well before the foundation of any religion. Please visit the Zenith Watches website for more information.The concept of moon phases dates back to a long, long time before they were seen on wristwatches. The El Primero 410 will come at a price of just over €8,000 Euro or $ 11,000 USD. Strap: brown alligator leather strap with protective rubber lining and a s tainless steel buckle with triple folding clasp.Case: stainless steel, 42 mm in diameter, 12.75mm in height, box-shaped sapphire crystal with anti-reflective treatment on both sides, sapphire crystal in case back, water resistant to 50 meters.Functions: chronograph with 30-minute and 12-hour register, day of the week, date, month and moon phase.Movement: Zenith El Primero 410, automatic winding, 50-hours of power reserve, 390 components, 31 jewels, 36,000 vibrations per hour (5Hz).The dial side shows the triple calendar indications: day, date, month and additionally a moon phase that is shown in the 12-hour chronograph register sub dial, at the 6 o’clock position. The El Primero 410 is 1.10mm thicker because of the triple calendar and moon phase module and measures 7.70 mm in height. Compare that to two other important and frequently used automatic chronographs: the Valjoux 7750 measures 7.90 mm in height and the Lemania 5100 is 8.25 mm in height. The El Primero chronograph is also a relatively thin movement with just 6.60 mm in height. It has a hi-beat rate of 36,000 vibrations per hour, making it possible to measure time intervals with a precision of 1/10th of a second. Last but not least, it has 50 hours of power reserve, which is several hours more than its competitors. It utilizes a column wheel to start, stop and reset the chronograph’s functions, which is considered by many a sign of classic watch-making. First of all, it’s an integrated chronograph, meaning that there is no base movement with a chronograph module atop. The El Primero movement sets itself apart from the herd of mechanical chronographs with automatic winding. This automatically wound beauty can be observed through the sapphire crystal in the case back. The calibre 410 sports 31 rubies, 354 parts, a triple calendar (month, day, date), a moonphase, 50 hours of power reserve, and of course the chronograph with 30-minute and 12-hour registers. It’s escapement vibrates at 36,000 vibrations per hour, or 10 ticks per second. First produced in 1969, the El Primero is still considered by many the best mechanical chronograph movement. The movement is Zenith’s iconic caliber 410, which i an integrated chronograph movement with a column wheel to actuate the chronograph’s functions. That was different on the “old” El Primero Chronomaster that was introduced in the beginning of this millennium and like the new El Primero 410 it featured a triple calendar, a moon phase indication and of course the legendary chronograph. The current day El Primero Chronomaster distincts itself from the El Primero collection, by a large aperture in the dial revealing the entire escapement.
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