LUX-CARE-2.1.1
Never Wind, Never Set, Never Open
LUX-CARE-2 · Care and Handling: Technique and Its Limits · LUX-CARE-2.1 Watches: Handling and Its Limits
The absolute rule against winding, setting, adjusting or opening a guest watch, why date mechanisms and screw-down crowns are so easily damaged, correct use of winders, and the risk of magnetism.
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