| Quantity | Price/Ea. |
|---|---|
| 5-49 | $1.83 |
| 50-99 | $1.49 |
| 100-499 | $0.89 |
| 500+ | $0.74 |
Product Specifications for 377 / SR626SW Silver Oxide Watch Battery, 1.55V
| BM Part #: | BAT-377 |
|---|---|
| Voltage: | 1.55 Volt |
| Capacity: | 28 mAh |
| Type: | Silver Oxide |
| Height: | 2.6mm |
| Diameter: | 6.8mm |
| Shipping Weight: | 0.02Lbs (0.32 oz) |
| Warranty: | 60 Day Return |
- Stable 1.55V Output: Delivers consistent voltage so your watch keeps accurate time until it's fully depleted.
- Universal Cross-Reference: Directly replaces SR626SW, V377, D377, SR66, and 606 battery numbers.
- Compact Fit: Measures 0.27" x 0.10" to fit thousands of watch, calculator, and remote models.
- Leak-Resistant Design: Protects delicate watch movements from corrosion caused by internal battery leakage.
- Long Shelf Life: Low self-discharge keeps this battery fresh and ready for years in storage.
- Mercury-Free Formula: Silver oxide chemistry is safer for the environment than older mercury cells.
Product Description
The Right Power for Precision Timekeeping
Is your watch losing time or the display fading? That's usually a sign your 377 battery has run its course. Also known as the SR626SW, this 1.55V silver oxide button cell delivers steady, reliable power from the first day to the last.
Unlike cheaper 377A alkaline batteries, silver oxide chemistry holds a flat voltage curve for its entire life, so your quartz movement stays accurate right up until it needs replacing.
This battery cross-references to SR626SW, V377, D377, and SR66, making it compatible with watches, calculators, key fobs, and other small electronics.
Stock up today and keep your favorite watch running right on time.
Frequently Asked Questions
Is the 377 Battery the Same as the SR626SW?
A: Yes. 377 and SR626SW refer to the same 1.55V silver oxide battery, just under different naming standards. You can use either name to find the correct replacement.
What's the Difference Between 377 and 377A?
A: The 377 is silver oxide, while the 377A is alkaline. Silver oxide holds a steadier voltage as it drains, which keeps a watch's timing accurate. Alkaline batteries lose voltage gradually, which can cause a watch to run slow near the end of the battery's life.
Will This Battery Fit My Fossil, Timex, or Casio Watch?
A: In most cases, yes. The 377/SR626SW is one of the most widely used watch battery sizes and fits many models from these brands. Check your watch's original battery compartment or manual for the exact battery code to confirm.
How Do I Install This Battery in My Watch?
A: Open the case back with a watch tool, remove the old battery, and note which side faces up (usually the positive "+" symbol faces outward). Place the new battery in the same orientation and snap the case back into place. If you're not comfortable opening the case, a local jeweler or watch repair shop can swap it in minutes.
How Long Does a 377 Battery Typically Last?
A: Most watches will run 1 to 2 years on a single 377 battery, depending on the movement type and any additional functions like a light or chronograph.
Cross Reference & Compatibility
- Bulova 606
- Bulova 619
- Citizen 280-39
- Energizer 376
- Energizer 377
- Eveready 376
- Eveready 377
- Duracell D377
- IEC SR66
- IEC LR66
- Maxell SR626W
- Maxell SR626SW
- Maxell LR626
- National SR626W
- National SR626SW
- National LR626
- Panasonic SR626W
- Panasonic SR626SW
- Panasonic LR626
- Rayovac 377
- Renata 37
- Renata 377
- Seiko SB-AW
- Sony SR626W
- Sony SR626SW
- Sony LR626
- Timex BA
- Timex MA
- Toshiba SR626W
- Toshiba SR626SW
- Toshiba LR626
- UCAR 376
- UCAR 377
- Varta V377
- Vinnic S626
- Vinnic L626
Customer Reviews
Exactly what I needed to activate an older special watch that I had given up on. Thank you for the fast ship.
Some mail delay. Not bad
Was very easy to find the battery I was looking for...especially when you know nothing about special batteries. Thank you SO much batterymart.
i bought 3 batteries for 3 dead watches and installed the batteries as soon as they came in. that was 3 wks ago and all 3 watches are still tickin’, so im pleased. hopefully they last a while. for now- i say 5 stars because im so excited to have my watches back.
I've been dealing with BatteryMart.com for close to 20 years now, and they never fail to deliver on their great products, prices, and service, and this time was no exception.
These batteries are the ones I have to use in my watches. I usually get them at a local WalMart but lately they are always sold out or not available. Enough is enough. I found Battery Mart on line and ordered them and am I glad! They fit perfectly, they operate perfectly and now all my watches, sport or dressy are back working great and I am very pleased. The delivery was super fast and the packaging fantastic. I am telling all my friends about Battery Mart and they will start ordering too. Thank you so very much.
Website is a breeze, easily found the battery I needed. I'll be back.
