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TECHNOLOGY BRANDS CITIZEN PROMASTER SKY AS4050-51E Eco-Drive, Super Titanium, Radiocontrol
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model: | PROMASTER SKY AS4050-51E Eco-Drive, Super Titanium, Radiocontrol |
brand: | TECHNOLOGY BRANDS |
colleciton: | CITIZEN |
Gender: | male |
movement: | solar (quartz) |
case: | titanium |
dial: | black |
Glass: | sapphire crystal with AR coating |
Chain/Strap: | titanium |
case back: | in titanium, solid, screws fixed |
diameter: | 46 mm without crown |
Water resistance: | 20 ATM |
warranty: | 24 months, stamped warranty card, all papers and certificates included |
description: | Manufacturer |
functions: | Eco-Drive from Citizen is a patented technology that is able to use not only sunlight but also artificial light as power source for watches. It therefore goes a step further than the conventional solar technology. Sunlight or artificial light penetrates watch glass and dial, collected in the under-dial solar cell and converted into electrical energy. This energy is stored in a rechargeable secondary battery, which ensures the smooth operation. After fully charged, depending on the watch caliber, thanks to the Eco-Drive system, even over a longer period in the dark, the functionality is impaired. Super Titanium is a synergy of the very lightweight metal titanium (TI) and the technology used by Citizen ion plating (IP). This makes it possible to shape the surface texture of the clocks up to five times harder than it is possible with stainless steel or pure titanium .. |