Watch Battery Size Guide
Choosing the correct watch battery size is important for proper watch performance and reliable battery replacement. Different watches require specific battery sizes depending on the movement and watch type.
This guide helps jewellers, retailers and watch repair professionals identify common watch battery sizes and understand battery references used in the watch industry.
Common Watch Battery Sizes
| Battery Number | Common Equivalent | Typical Use |
|---|---|---|
| 371 | SR920SW | Dress watches |
| 377 | SR626SW | Small analog watches |
| 364 | SR621SW | Slim watches |
| 395 | SR927SW | Larger analog watches |
| 2032 | CR2032 | Digital watches and electronics |
Understanding Watch Battery Codes
Watch battery numbers may vary depending on the manufacturer. For example, Renata, Maxell and Energizer often use equivalent reference numbers for the same battery size.
Silver oxide batteries are commonly identified with codes beginning with “SR”, while lithium batteries often begin with “CR”.
Renata Watch Battery Size Chart
This chart includes common Renata silver oxide and lithium watch battery references used by jewellers, retailers and watch repair professionals.
| Renata No. | IEC Code | Dimensions | Type |
|---|---|---|---|
| 364 | SR621SW | 6.8 × 2.1 mm | Silver Oxide |
| 377 | SR626SW | 6.8 × 2.6 mm | Silver Oxide |
| 371 | SR920SW | 9.5 × 2.0 mm | Silver Oxide |
| 395 | SR927SW | 9.5 × 2.7 mm | Silver Oxide |
| 394 | SR936SW | 9.5 × 3.6 mm | Silver Oxide |
| CR2016 | CR2016 | 20.0 × 1.6 mm | Lithium |
| CR2025 | CR2025 | 20.0 × 2.5 mm | Lithium |
| CR2032 | CR2032 | 20.0 × 3.2 mm | Lithium |
Silver Oxide vs Lithium Watch Batteries
Silver Oxide Batteries
- Common in analog watches
- Stable voltage output
- Reliable long-term performance
Lithium Batteries
- Used in digital watches and electronics
- Higher energy capacity
- Long shelf life
Renata Watch Batteries Canada
Renata watch batteries are trusted by jewellers and watch repair professionals for their Swiss-made quality and reliable performance.
Banda Canada supplies Renata, Maxell and Energizer watch batteries wholesale across Canada.
Explore:
Renata Battery Distributor Canada,
Maxell Battery Distributor Canada,
Energizer Battery Distributor Canada and
Watch Battery Wholesale Canada.
Frequently Asked Questions
How do I know which watch battery size I need?
The battery number is usually printed on the old battery or listed inside the watch case.
Are Renata batteries good for watches?
Yes, Renata batteries are widely trusted for Swiss-made quality and reliable performance.
What is the difference between SR and CR batteries?
SR batteries are silver oxide batteries commonly used in analog watches, while CR batteries are lithium batteries often used in digital watches and electronics.
Do you supply watch batteries wholesale in Canada?
Yes, Banda Canada supplies wholesale watch batteries to jewellers, retailers and repair professionals across Canada.
To view pricing and place orders, please create a wholesale account.