What is the expiration date on these batteries?

My set is dated 06-2015. I have used them all but 1 and no problems here.

How can you tell if a silver oxide watch battery is bad before inserting it into the watch?

Use a voltmeter. The battery is kind of small so it may take a little doing but put one metal lead on positive side (+) and one lead on the negative side (-). The voltage is what determines whether the battery is "good" or "bad". On these batteries I think it starts at close to 1.7 volts and will fall from there. Most devices will stop working when the battery drops below 1.0 volts though my old game boy would keep working until about .8 volts and I suspect a watch could take it even lower. It just depends on the device.

Has anyone used these batteries on michael kors watches? i cant seem to find the battery size on google for michael kors watches

I am surprised that Michael Kors watch tech support was unable to assist you. Contact for the US: 1-866-709-5677 or watches@michaelkors.com Contact for Canada: 1-855-898-5677 or service@metroservicecentrecanada.ca Monday - Friday: 8am to 7pm CST Saturday: 9:30am to 6pm CST

measures about 7mm(9/32") dia and 2.8mm(7/64") high

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Maxell SR626SW 377 Silver Oxide Watch Battery 5 Pack

Maxell SR626SW 377 Silver Oxide Watch Battery 5 Pack

Product ID: 4218013

Details

Battery Capacity
27 Milliamp
Battery Cell Composition
Silver Oxide
Brand
Maxell
Number of Batteries
1 LR44
Recommended Uses For Product
Watch

🔋1.55V Silver Oxide Power

5️⃣Pack of 5 for Long-Term Use

🇯🇵Premium Japanese Craftsmanship

VT2219

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Description

⏱️ Power your moments with precision and style!

TOP RATED BY THOUSANDS - 4.6-star rating from over 7,000 users—trusted by the pros.
ULTRA COMPACT DIMENSIONS - Slim design fits seamlessly into most watch models.
AUTHENTIC JAPANESE QUALITY - Crafted in Japan for superior performance and longevity.
VALUE PACKED 5 BATTERY SET - Keep your timepieces ticking with a convenient multi-pack.
RELIABLE 1 55 V SILVER OXIDE POWER - Consistent voltage ensures your watch never misses a beat.

Maxell SR626SW 377 Silver Oxide Watch Battery delivers a steady 1.55V output with 27mAh capacity, crafted in Japan for premium reliability. This 5-pack ensures your watches stay powered longer, backed by a 4.6-star rating from over 7,000 satisfied customers.

Specifications

Amperage	5 A
Antenna Location	Watch
Asin	B002S49V24
Battery Capacity	27 milliamp_hours
Battery Cell Type	Silver Oxide
Best Sellers Rank	#35,691 in Health & Household (See Top 100 in Health & Household) #227 in Coin & Button Cell Batteries
Brand	Maxell
Customer Reviews	4.6 4.6 out of 5 stars (7,310) 4.6 out of 5 stars
Item Dimensions	0.12 x 2.76 x 1.97 inches
Item Weight	9.07 g
Manufacturer	Maxell
Model Name	Watch battery
Model Number	SR626SW5
Number Of Batteries	1 LR44 batteries required.
Reusability	Single Use
Unit Count	5 Count
Upc	704740102146 025215741074 762022256307 762022256062
Voltage	1.55 volts

Reviews

User

Great watch battery - reasonably priced.

The Maxell 626 watch battery is a great replacement and works well with my “ vintage “ Seiko quartz watch.

22.07.2026

User

Works in my and my wife’s Casio watches which wecwear on vacation.

Came wuickly and well packaged. Fits Casio watches.

12.06.2026

User

Good quality

Great price

20.05.2026

User

Fresh set of batteries -- good until 2030

Arrived 3 days late hence 4 instead of 5 stars. Otherwise, the batteries look good. Sealed package with the number of batteries I expected, and a use by date of 2030, so these are fresh!

12.01.2026

User

Good Watch Battery

My favorite watch battery. Many womens watches use this type. I'm a hero when I replace a lady's watch battery before she heads to some rip-off jeweler who charges $35 to put in a cheap alkaline cell. This battery is the correct one for watch replacement.

5.08.2026

User

Quality Batteries and Shipped Fast!

The batteries are exactly what I was expecting. Shipping was fast. Thank you for a great transaction.

14.07.2026

User

Delivery speed and good product

Great product

17.07.2026

User

Good

great price on solid brand

7.04.2026

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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VT2219

Duties & taxes included

In stock

Sold byAmazon VanuatuDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Vanuatu.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Fatima A.

Best international shipping I've ever tried. Worth every penny!

3 days ago

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Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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