SEIZAIKEN SR721SW , 362 Original Japanese 1 Pcs Button Cell 1.55V Can be also Replacement Same Model. SR721SW , 362, AG11, LR721H, 362A, R721SW,362,SR58, SR721, SG11, LR58, 162, 361, 362, LR721, – Made in Japan

Original Seizaiken SR721SW 362 Silver Oxide Battery (1 Pc Single Unit) | Japanese Seiko Micro Cell

Watchmakers, electronic repair technicians, and gadget owners frequently require high-precision silver oxide button cells to keep valuable timepieces and micro-devices operating accurately. Therefore, the Original Seizaiken SR721SW 362 Silver Oxide Battery (1 Piece) provides steady power output and unmatched voltage stability for your precision hardware. Seiko Instruments Inc. manufactures these authentic micro cells directly in Japan under strict quality control standards. Consequently, the stable 1.55V current output maintains precise timing without unexpected power drops.

Additionally, this versatile 362 / SR721SW battery cell serves as a direct universal replacement for equivalent codes including AG11, LR721H, 362A, R721SW, SR58, SR721, SG11, LR58, 162, 361, and LR721. Furthermore, Seizaiken engineers build these cells with advanced anti-leakage technology and corrosion-resistant outer steel casings. Because low-quality counterfeit batteries often leak and destroy sensitive internal components, our authentic Japanese supply shields your watch movements from electrolyte damage. Thus, this single-unit pack gives you superior reliability and immediate energy replacement.

Core Engineering Advantages

• 100% Authentic Japanese Manufacturing: Seiko Instruments Inc. produces these high-density silver oxide cells in Japan; therefore, your devices receive reliable 1.55V energy.

• Wide Universal Compatibility: The SR721SW / 362 model replaces AG11, SG11, LR721, SR58, and 361 models seamlessly; consequently, you resolve battery sizing confusion easily.

• Advanced Leak-Proof Architecture: Precision casing seals lock internal fluids inside, so your expensive quartz movements remain safe from acid corrosion.

• Convenient Single-Piece Packing: Factory blister packaging preserves fresh shelf life, so you get an exact single replacement without purchasing extra surplus stock.

3. Comprehensive Technical Specifications