377 Silver Oxide Watch Battery from Japan
The 377 (SR626/377) silver oxide button battery is a primary non-rechargeable coin cell used in quartz watches and instruments, with a volume under 300 cm³. Its silver oxide electrolyte and compact design classify it under tariff item 8506.40.00 for silver oxide primary cells.
Duty Rate — Japan → Canada
7%
Import Tips
• Classify the battery as a silver oxide primary cell under 8506.40.00
• Have the manufacturer's specification sheet showing silver oxide chemistry and volume ready
• Verify if the shipment qualifies for reduced duty under a trade agreement by submitting a certificate of origin