Original Sony Silver Oxide Watch Battery – SR626SW (377/AG4/LR626) & SR621SW (621/AG1/LR621) | 5-Piece Card Pack

Product Title: Original Sony Silver Oxide Watch Battery – SR626SW (377/AG4/LR626) & SR621SW (621/AG1/LR621) | 5-Piece Card Pack

Description: Keep your watch ticking with genuine Japanese-quality silver oxide button cell batteries. Available in the two most popular sizes for wristwatches, these 1.55V mercury-free cells deliver stable power for 2–3 years and fit most ladies', gents', and fashion quartz watches.

Choose Your Size (2 Variants):

• Variant 1 – SR626SW (also called 377 / AG4 / LR626 / 626SW): Fits most standard quartz watches, digital thermometers, calculators, small toys & medical devices.

• Variant 2 – SR621SW (also called 621 / AG1 / LR621 / 364): Fits ultra-thin fashion watches, slim digital watches, laser pointers & mini electronics.

⚠️ Check the code printed on your old battery before ordering — 621 and 626 look similar but differ in thickness.

Key Features:

• Silver Oxide technology, 1.55V stable voltage

• 0% Mercury (Hg0%), eco-friendly

• Long shelf life: 2–3 years

• Excellent leakage resistance, high energy density

• Each pack contains 5 batteries