Seiko 379 / SR521SW - 10 button cells
10 pcs., 16 mAh5 items ordered
Product details
The Seiko 379 / SR521SW button cells are silver oxide-zinc batteries used in watches.
- Seiko 379 / SR521SW
- Watch battery
- Chemical system: zinc silver oxide
- Voltage: 1.55 volts
- Diameter: 5.8 mm
- Height: 2.2 mm
- Weight: 10 grams
- Nominal capacity: 16 mAh
- Packaging unit: 10 pieces
The Seizaiken SR521SW / 379 "Low Drain Batteries" have a low energy density and are suitable for devices with low power consumption, such as analog quartz watches without lighting or electronics.
Seizaiken is the brand name for silver oxide batteries manufactured by Seiko Instruments. Seiko Instruments is a Japanese subsidiary of Seiko Holdings Corporation, the parent company of Seiko. Seiko is primarily known for its watches and has a long history dating back to 1881 when Kintaro Hattori opened a watch repair and sales shop in Tokyo. Today, Seiko is one of the world's leading watch manufacturers and is well-known for its sponsorship in the Olympic Games and Formula 1.
Battery type | Button battery, Watch battery |
Voltage | 1.55 V |
Battery type | Silver oxide-zinc |
Items per sales unit | 10 pcs. |
Item number | 46047769 |
Manufacturer | Seiko |
Category | Batteries |
Manufacturer no. | HGP20386 |
Release date | 23.5.2024 |
External links |
Battery type | Button battery, Watch battery |
Voltage | 1.55 V |
Battery type | Silver oxide-zinc |
Battery capacity | 16 mAh |
Rechargeable | Not rechargeable |
Country of origin | Japan |
CO₂ emissions | 3,48 kg |
Climate contribution | EUR 0,12 |
Items per sales unit | 10 pcs. |
Height | 2.20 mm |
Diameter | 5.80 mm |
Weight | 10 g |
Product Safety |
30-day right of return if unopened
Compare products
Goes with
Reviews & Ratings
Statutory warranty score
How often does a product of this brand in the «Batteries» category have a defect within the first 24 months?
Source: Galaxus- 1.Ring0 %
- 1.Saft0 %
- 1.Seiko0 %
- 1.Swaytronic0 %
- 1.Tadiran0 %
Statutory warranty case duration
How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?
Source: Galaxus- SeikoNot enough data
- 1.Ansmann0 days
- 1.Coast0 days
- 1.Duracell0 days
- 1.Energizer0 days
Return rate
How often is a product of this brand in the «Batteries» category returned?
Source: Galaxus- 1.Rayovac0 %
- 1.Ruuvi0 %
- 1.Seiko0 %
- 1.Tecxus0 %
- 1.Tyzon0 %