Accucell-1 suitable replacement for the now unavailable 387 1.35v battery. This is a 1.55v Silver Oxide Battery with an electronic step down to 1.35v with the size template of the original. Designed specifically to replace 387 and 343 mercury (now banned) especially for the Accutron Tuning Fork Watches by Bulova. Follow Handling Instructions! SPECIFICALLY DO NOT PRE TEST THE BATTERY, THIS WILL HAVE NEGATIVE OUTCOME AND IS NOT REFUNDABLE. (Knowledgeable Accutron repairers will know how to test on watch if needed): - Use only in watches that require 1.35 volts - Install positive side down - The Accucell-1 contains very delicate components that can be damaged by handling or dropping - Only handle from side of the Accucell-1 - Relaces cells 343 387 - Not suitable for ETA movements.
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