Varta Watch Battery V377 – Reliable Silver Oxide Power for Precision Timepieces
The Varta Watch Battery V377 (also known as SR66) is a single silver oxide button cell designed specifically for wristwatches. It delivers a stable 1.55V output and is supplied as one piece in blister packaging.
Silver oxide chemistry provides a long, steady discharge curve for accurate timekeeping
1.55V nominal voltage matches the requirements of precision watch movements
Compact button-cell format fits standard watch battery compartments
The V377 belongs to Varta's professional specialty battery range, engineered for the demanding requirements of modern quartz watch movements. The silver oxide system offers higher energy density and a flatter voltage curve than alkaline alternatives, which helps maintain accuracy over the full service life of the cell.
Ideal for...
Designed for owners of wristwatches that require a reliable, long-lasting power source. The V377 is suited for everyday wear in mechanical and quartz watches where consistent voltage delivery over months or years is essential.
Anwendung von Varta Watch Battery V377
Open the watch back using a suitable case opener
Remove the old battery, noting its orientation
Insert the V377 with the positive side facing up, as indicated inside the compartment
Varta is a leading European manufacturer of specialty batteries, with a strong focus on professional and consumer battery solutions. The brand supplies button cells, primary cells, and rechargeable batteries across multiple categories. Varta's watch battery line is widely distributed through specialist retailers and online shops in the Swiss market.
The V377 (SR66) is a universal watch battery compatible with most quartz wristwatches that use a 377 or SR66 battery. It is also interchangeable with the listed equivalents: SR626SW, D377, SR626W, 376, and 565.
The V377 is a silver oxide battery with a nominal voltage of 1.55V. Silver oxide chemistry provides a stable voltage output and a long service life compared to alkaline alternatives.
The battery weighs 0.34 grams. It is a standard button-cell format designed to fit typical watch battery compartments without modification.
The product is supplied as a single unit (1 Stück) in blister packaging, ready for installation.
Varta provides a 36-month manufacturer warranty on this product, covering defects in materials and workmanship under normal use.
Subscribe to the newsletter
New arrivals, promotions and exclusive offers — straight to your inbox.
Please complete your information below to login.
Sign In
Create New Account