Is this suitable to replace watch battery LR626? The SR626SW is 1.55v and LR626 is slightly lower at 1.5v. Will this affect the time-Keeping?

I used to be a jeweler for H Samuel and we replaced lr626 batteries with sr626 with no issues..

Will this fit a 1991 pop swatch?

You will need a 329 for the Pop

My old battery says SR626h but Amazon suggests this battery which is a different number - is it the same thing?

Does it have a tab welded to it, if so that is specially made. Not this one. If not tabbed then 626 is usually the same as 377, at 1.55v (duracell says 1.5v though on their packs)

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⏰ Power your moments with Duracell’s timeless energy!

COMPACT PRECISION - Ultra-small 7x7x3mm size fits perfectly in watches and small electronics.
ENDURING BATTERY LIFE - Silver oxide chemistry ensures extended performance, reducing frequent replacements.
RELIABLE VOLTAGE BOOST - Consistent 1.55V output powers your devices without fail.
SEAMLESS COMPATIBILITY - Directly replaces 377, SR626SW, SB-AW, and AG4 models for hassle-free swaps.
TRUSTED DURACELL WARRANTY - Backed by a 2-5 year limited warranty for peace of mind.

The Duracell 377 SR626SW SB-AW AG4 is a premium 1.55V silver oxide watch battery designed for long-lasting, reliable performance. Compact and compatible with multiple watch battery models, it ensures your timepieces and small electronics stay powered with Duracell’s trusted quality and warranty support.

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Package Dimensions L x W x H	12 x 8.5 x 1 centimetres
Package Weight	0.02 Kilograms
Product Dimensions L x W x H	7 x 7 x 3 millimetres
Brand	Duracell
Colour	Silver
Included components	DURACELL® product carries a limited warranty against defects in material and workmanship under normal use and service for a period of 2-5 years
Model year	2012
Part number	377
Size	1 Count (Pack of 1)
Guaranteed software updates until	unknown

Duracell 377 SR626SW SB-AW AG4 1.55v Silver Oxide Watch Battery

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