Seizaiken SR512SW Silver Oxide Watch Battery | Genuine Japan Made | 335 | Long-Lasting Power
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- UK Shipping from 95p - Free Over £25.00
- 100% Genuine - Original Seizaiken Product
- Authorised Seizaiken Parts Stockist
- Low stock - 10 items left
Keep your timepieces ticking with precision using genuine Seizaiken silver oxide watch batteries - trusted worldwide for their Japanese engineering, superior longevity, and reliability.
Manufactured by Seiko Instruments, Seizaiken batteries are specially designed for watches and offer stable voltage output, leak-resistant performance, and exceptional shelf life, making them the ideal choice for both casual users and watch professionals.
- 100% Authentic - From Japan
- Fresh Stock - Long Expiry Dates Guaranteed
- Compatible with reference codes (e.g. 377, 364, 371 + more)
- Trusted by watchmakers, repairers, and collectors
- Ideal for Seiko, Casio, Citizen watches and more
Whether you're replacing a battery for a premium wristwatch or a classic timepiece, choosing Seizaiken ensures peace of mind and long-lasting performance. We dispatch quickly from UK stock, and our packaging ensures safe delivery right to your door.
Battery Size: 335 / SR512SW
Battery Type: Coin / Button Cell
Chemical Compostion: Silver Oxide - Mercury Free 0%Hg
Buy with confidence from a UK-based authorised seller of genuine watch parts.
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All our products go through the highest level of quality inspections before they get shipped out.
However, should your item be delivered damaged or is faulty in anyway, please contact us immediately upon receipt and we will replace or refund you based on our returns policy. For more information, please check out our Refund & Returns page.
Do you ship worldwide?
- Yes. We ship to over 200 countries around the world.
What are your postage charges?
- UK Orders under £25.00 - From 95p UP
- UK Orders over £25.00 - Free
- EU Orders - From £2.95
- Rest of the World Orders - From £4.95
More information on shipping costs can be found on our Shipping & Delivery page.
Do you provide tracking information?
- Yes, depending on the shipping service you chose during checkout (i.e. Royal Mail Tracked, DHL or UPS), you will receive an email once your order ships that will contain your tracking information.
My tracking says “no information available at the moment”?
- For some shipping companies, it takes 2-5 business days for the tracking information to update on the system. If your order was placed more than 5 business days ago and there is still no information on your tracking number, please Contact Us.