Length shadow = object height/tan ( sun elevation ). The measurement of the length of the shadow depends on the height of the obstacle and the elevation of the sun, the formula is: The length of the shadow map is normalized (changing with the zoom), and the direction is opposite azimuth. The first column contain the date the others columns contain E=elevation A=azimuth and time (from 00:00 to 23:59).įor the annual SunRise SunSet Calendar additionally on excel file you’ll be able to use this link: Sunrise Sunset Calendar The excel file contain the sun path for one year, with step (5,10,15,20,30,60 min), for the moment restricted as a result of is just too heavy for the server. Set the data as you wish and click on email image to get the file in attach.

Short- and long-cycle time measurements ensure precision to 1/10 th of a second.Īnd, in keeping with the elusive spirit, the Chronomaster Revival Shadow is complemented by a Cordura-effect black strap clasped with a titanium ardillon buckle.| Data + Map | Chart Polar | Chart Cartesian | Table | Annual sun path | shadow | download PDF | Time data is driven by the El Primero 4061 caliber, comprising column wheel, which beats at a frequency of 36,000 vibrations an hour and delivers a minimum power reserve of 50 hours once fully wound. The ensemble is encircled by a gray tachymetric scale.

These hands point to a pared down hour chapter punctuated by indexes topped with the same luminescent material. This composition, which is perfectly easy to read in spite of its dusky look, is hovered over by traditional baton-style hour and minute hands whose tips are coated with white Super-LumiNova® which emits a light green glow in the dark. Its matte finish enhances the readability of the deep-black dial where the small seconds at 9 o’clock and the two totalizers, all three gray-colored, stand out. The new Chronomaster Revival Shadow espouses the concept but now combines a 37 mm-diameter case crafted in microblasted titanium and boasting the original 1969-style lines with an automatic mechanism. Its particularity? To be endowed with a hand-wound chronograph movement nestling in a blackened steel case, ever-so rare back in the day. This year, however, the manufacture finalizes this forgotten, elusive project.Īfter the A384 and A3818 limited series, Zenith breathes life this time round into a prototype from the 1970s which was never officially produced or commercialized. OUT OF THE SHADOWS, INTO THE LIGHT This timepiece ’ s blank, imagined some 50 years ago, never ever reached the production stage.

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