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.
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- PROMASTER SKY CHRONOGRAPH AS4025-08E (IP BLK) | AS4020-52E (SS) Eco-Drive Air
TECHNOLOGY BRANDS CITIZEN PROMASTER SKY CHRONOGRAPH AS4025-08E (IP BLK) | AS4020-52E (SS) Eco-Drive Air
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| model: | PROMASTER SKY CHRONOGRAPH AS4025-08E (IP BLK) | AS4020-52E (SS) Eco-Drive Air |
| marka: | TECHNOLOGY BRANDS |
| kolekcija: | CITIZEN |
| Spol: | muški |
| mehanizam: | solar (quartz) |
| kućište: | stainless steel 316L / 904L |
| ciferblat: | different models |
| staklo: | sapphire crystal with AR coating |
| lanac/remen: | stainless steel bracelet |
| pozadina: | screwed solid stainless steel |
| prečnik: | 45 mm bez krunice |
| Water resistance: | 20 ATM |
| jamstvo: | 24 mjeseci, ovjerene jamstvene kartice, svi papiri i potvrde uključeni |
| opis: | Manufacturer |
| Funkcije: | seconds, minutes, hours, 24-hours, day, date, 2-nd timezone, chronograph, Perpetual calendar, radio controlled, slide rule, solar etc. |
