Catalog: Zentith Class | |
| international reference for mechanical chronographs the greek term khronos meaning time ... chronomaster a collection of automatic chronographs for urban living reserved for ... | |
| these peak performance automatic chronographs standing up to the test of both air and ... | |
| winding the watch class el primero hw for optimal accuracy a manually wound watch must be wound every day class el primero automatic first steps when first starting the watch wind the crown at least 25 times so that it is fully wound watch stopped to operate correctly the watch must be worn at least 12 hours a day for a number of days if the watch is not worn for sufficient time it will stop and will have to be wound turning the crown at least 25 times accuracy under normal conditions an automatic watch has a margin of 4 or 5 minutes per month 36 for accuracy compared to a reference watch on ... | |
