High Quality Grade A Premium battery: Original Imported, service life of 7 years. Longer lasting battery life, guarding every minute of precision. Superconducting graphene improves performance by 20%, ultra thin steel shell less than 0.23mm, upgrade capacity limit. Stimulate stronger performance of the battery and significantly reduce current loss.
Battery Compatible Model: This high capacity 3023.5MY/3023-5MZ/MT920 replacement battery compatible Seiko Eco-Drive 5M22/5M23/5M25/5M42/5M43/5M45/5M47 .
Item Including: 1 X 3023.5MY Battery, 1 X Battery storage box. 2 X Watch Cover Opening Tools. 1 X Metal Tweezers 2 X Screwdrivers
How To Use: After installing the photodynamic energy battery, you need to use a light source to illuminate the front of the watch glass. When the battery is fully charged, it usually takes 3-5 hours. The light source can be sunlight or desk lamp/flashlight etc.
After-sales Warranty: YUFEEI friendly and reliable customer service, if you have any questions, please feel free to contact us.