371 SR920SW SEIKO Watch Batteries SEIZAIKEN 1.55V Silver Oxide *EXPIRY 09/2028*
Price: 23.85 GBP Condition: New
Use this page to compare prices and key details for 371 SR920SW SEIKO Watch Batteries SEIZAIKEN 1.55V Silver Oxide *EXPIRY 09/2028*. We summarise the important specs and give quick buying tips so you can choose confidently. Looking at 371 SR920SW SEIKO Watch Batteries SEIZAIKEN 1.55V Silver Oxide *EXPIRY 09/2028*? Below you’ll find a clear overview of the main features, what to check before buying, and how to compare offers from different sellers. Here’s a practical summary of 371 SR920SW SEIKO Watch Batteries SEIZAIKEN 1.55V Silver Oxide *EXPIRY 09/2028* — including key item specifics, condition guidance, and what typically affects price so you can spot a good deal.
Item Specifics
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Description:
The Seizaiken 371 (SR920SW) is a premium 1.55V silver oxide button cell battery, manufactured by Seiko Instruments Inc. (SII) in Japan. Specifically engineered for quartz watches and precision small electronics, this battery delivers stable voltage output and dependable long-term performance. Designed for low-drain applications, the SR920SW provides consistent power while maintaining accurate timekeeping. With a compact size of 9.5mm diameter and 2.1mm height, it fits a wide range of watch models and small electronic devices. Manufactured at Seiko’s advanced facility in Sendai, Tohoku (Japan), this battery reflects decades of expertise in precision metal processing and watchmaking technology. Its airtight seal structure ensures excellent leakage resistance, enhancing safety, durability, and reliability. Seiko
NUMBER OF BATTERIES: 20 Batteries
Brand: Seiko
Battery Size: 371
Battery Type: Coin Cell/Button
Nominal Voltage: 1.55 V
Voltage: 1.55 V
Chemical System: Silver Oxide
Chemical Composition: Zinc Silver oxide
Chemical Formula: Zn/Ag2O
Battery Average Weight: 0.55 g
Operating Temperature Range (Celsius): -10C to +60C
Operating Temperature Range (Fahrenheit): 14F to 140F
Amp Hours: 0.035 Ah
Nominal Capacity: 35 mAh
Dimensions: Height: 2.0 mm Diameter: 9.5 mm
Coin Cell Diameter: 9.5 mm
Coin Cell Thickness: 2.0 mm
Rechargeable / Non-Rechargeable: Non-Rechargeable
Battery Terminals: Pressure Contacts
MPN: SZ371MF
EAN: 4950096300187
Battery Replacement Codes: 371 SR920SW V371 D371 S921E 605 280-31 SB-AN SR69 AG6
Application: High Drain Devices, Low Drain Devices
Type: Coin Cell/Button
Country/Region of Manufacture: Japan
Country of Origin: Japan
Expiry Date: 09/2028
Product Type: Silver Oxide Battery
HS Code (Harmonized Commodity Description and Coding System): 8506400000
Unit Type: Unit
Unit Quantity: 1
Buying tips
Before you buy, check that the key specs match your needs (compatibility, size/fit, and any included accessories). Also confirm the seller’s returns policy and the delivery estimate. It’s worth comparing more than just price: condition, included parts, warranty/returns, and delivery costs can change the overall value. If you’re unsure, prioritise listings with clear photos and complete specifics. To avoid surprises, confirm model/variant details and look for accurate photos. If you’re buying used, pay attention to wear, working status, and what’s included in the box.
Price notes
Prices can vary based on condition, completeness (box/accessories), and seller location. Compare multiple listings to get a realistic range before deciding. The best value usually comes from the right mix of condition and total cost (item price + delivery). Check if the listing includes essential accessories to avoid extra spend. If you see big price differences, it’s often down to condition, extras, or shipping. Compare similar-spec listings rather than only the cheapest result.
Condition notes
Condition matters a lot for resale and reliability. Make sure the listing photos and description match the stated condition, and double-check any notes about faults or cosmetic wear. For used items, look for clear evidence of working status and any included accessories. If the condition is unclear, consider messaging the seller before purchase. If the item is listed as refurbished or pre-owned, verify what “refurbished” means for that seller (tested, repaired, cleaned) and whether returns are offered.
FAQ
What should I check before buying 371 SR920SW SEIKO Watch Batteries SEIZAIKEN 1.55V Silver Oxide *EXPIRY 09/2028*?
Confirm the key specs (compatibility, size, and included accessories), then compare total cost (price + delivery). Review photos, condition notes, and the returns policy.
Why do prices vary for 371 SR920SW SEIKO Watch Batteries SEIZAIKEN 1.55V Silver Oxide *EXPIRY 09/2028*?
Price differences are usually caused by condition, included extras, seller reputation, and delivery costs. Compare listings with the same model/variant for a fair comparison.
Is this page an official store?
No — Chumbay helps you compare offers from sellers. Availability and final pricing depend on the marketplace listing.