Here is a guide to help you determine the battery size for your Guess watch. However, most Guess watches use silver oxide batteries, specifically the SR626SW or 377 battery. . Access watch manuals for all GUESS Watches models. com/ Renata 377 SR626SW Batteries: https://amzn. 387S Energizer - 1 Battery Official OEM USA. Need help? . What Is a Watch Battery Cross-Reference? A watch battery cross-reference (also called a button-cell cross-reference) maps the many brand codes and standards to a single, physical battery size. The same cell can be sold as SR626SW, 377, V377, D377, SB-AW, etc.
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