Features:

• 0% Mercury
• SW Button cell 1.55V for Wrist Watch
• Environment Safe and Low Self Discharge
• Do not try to Charge it (Non - Rechargeable)
• Cell Battery for Watches
• Pack of 5 battery 

Equivalent replacement for batteries:  AG-4, SR626SW, SR66, SR626, SB-AW, 280-39, BA, V377, D377, 606, S626E, GP377, AG4, AG-4, 377, L626, SG4, LR626, LR66, SR628SW, E377, E377CA, LR626SW, 377A, SR262SW, 377X, 377S, GP177, SR6265W, 377/376, E377A, SR66SW, SR625SW, 377BA, CR626SW, AG4/377, AG04.