Eco Drive Power Conservation Feature - Technical Bulletin
Technical bulletin from Citizen Watch Company explaining the automatic Power Conservation feature incorporated in Eco Drive timepieces. Details Power Save Mode 1 (second hand stops after 30-60 seconds in darkness) and Power Save Mode 2 (all hands stop after 60-72 hours of darkness) for models JR30/JR40/BL000/BL002/BL003/BL005/BL006/BL1/BL5. Also covers the EW7 series behavior where second and minute hands stop at 12:00 after two hours without light. Explains rapid hand advancement when watch is re-exposed to light as normal operation resuming.
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Document Details
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- Horlogerie