I need an AG1 battery, will this one work?

Yes, the 364 button battery is equivalent to the AG1.

does the 364 replace the sr621?

Yes, the 364 is a direct equivalent to an SR 621 and SR 621 SW.

This question is for the manufacturer. Can Duracell specify how long will it last once installed? I supposed they have tested it, so they should know.

That question is impossible to answer, even by the manufacturer. There are multiple factors that determine battery life. The most important is: What is the current drain of the device the battery is installed in?

Why does it say ‘ duracell – 319 1.5v silver oxide button battery’ but the battery i received was a 364?

That seems to be a typo by whoever wrote the ad copy.

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Duracell 364 Silver Oxide Button Battery, 1 Count Pack, 364 1.5 Volt Battery, Long-Lasting for Watches, Medical Devices, Calculators, and More

Duracell 364 Silver Oxide Button Battery, 1 Count Pack, 364 1.5 Volt Battery, Long-Lasting for Watches, Medical Devices, Calculators, and More

Product ID: 15415770

Details

Battery Capacity
18 Milliamp
Battery Cell Composition
Silver Oxide
Brand
DURACELL
Number of Batteries
1 Lithium Ion
Recommended Uses For Product
Watch

⏳4-year guaranteed shelf life

⚡1.5V high voltage

🔋18mAh long-lasting capacity

₹ 1799

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Description

🔋 Power your essentials with Duracell’s long-lasting silver oxide button battery!

COMPACT YET MIGHTY - Silver oxide chemistry delivers steady 18mAh capacity in a sleek button cell.
STAY READY ALWAYS - 4-year shelf life means your battery is ready when you are—no last-minute panic.
VERSATILE COMPATIBILITY - Fits SR60, SR621W, 363 battery types—one battery for multiple devices.
TRUSTED BY PROFESSIONALS - Duracell’s #1 trusted brand status ensures premium quality and peace of mind.
POWER THAT KEEPS YOU MOVING - Reliable 1.5V output powers watches, medical devices, and more with precision.

The Duracell 364 Silver Oxide Button Battery delivers a reliable 1.5V power source with an 18mAh capacity, designed for precision devices like watches and medical equipment. Guaranteed fresh for up to 4 years in storage, it ensures your critical devices stay powered when it matters most. Trusted globally, this compact battery fits multiple standard types, combining versatility with Duracell’s renowned quality.

Specifications

ASIN	B00006JPHB
Antenna Location	Watch
Battery Capacity	18 milliamp_hours
Battery Cell Composition	Silver Oxide
Battery Cell Type	Silver Oxide
Battery Weight	4.26 g
Best Sellers Rank	#71,245 in Health & Household ( See Top 100 in Health & Household ) #464 in Coin & Button Cell Batteries
Brand	DURACELL
Customer Reviews	4.7 out of 5 stars 5,049 Reviews
Included Components	1 pk
Item Dimensions	0.25 x 1.75 x 3.5 inches
Item Weight	4.54 g
Manufacturer	Duracell Distributing, Inc
Model Name	Watch battery
Model Number	D364BPK
Number of Batteries	1 Lithium Ion batteries required.
Recommended Uses For Product	Watch
Reusability	Rechargeable
UPC	041333164090
Unit Count	1 Count
Voltage	1.5
Warranty Description	3 Yr. Shelf Life

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₹ 1799

Duties & taxes included

In stock

Sold byAmazon IndiaDelivered 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 India.

Secure transaction

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Join PRO →

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TrustScore 4.5 | 7,300+ reviews

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