Overview Reviews Product Description Duracell D309/393PK - 1.5V Silver Oxide Watch Battery 0% Mercury Product Videos Custom Field Condition New Product Reviews Write a Review Write a Review × Duracell Duracell D309/393PK - 1.5V Silver Oxide Watch Battery Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *