Battery #377 (SR626SW) is the most commonly used battery size for most watches. It is used in approximately 80% of all watches currently being manufactured.

Battery #377 (SR626SW) is available as both an Alkaline cell or Silver-Oxide cell.
Silver-Oxide cells are normally used in watches because they have a consistent power output.



	Watch Tools:
	Back Opener Opens pop off watch backs.

	Back Opener Opens screw off watch backs.

	Back Closer Closes pop off watch backs.

	Case Holder Holds watch steady while you work on it.

	Battery Tester Tests voltage of silver oxide and alkaline batteries.

		Technical Names: Battery #377 SR626 SR626SW SR66 AG4 LR626 (Alkaline)

		Technical Data: Zinc / Monovalent Silver Oxide, low drain Voltage: 1.55 Volt Capacity: 28 mAh Temp. Range: 0ºC - 60ºC Weight: ~0.40 g Size: 6.8 x 2.6 mm Shelf Life: Approximately 4 years

		Manufacturer Cross-Reference: Renata: 377 Energizer: 377 Eveready: 377 Maxell: SR626SW Panasonic: SR626SW Varta: V377 Bulova: 606 Timex: BA Citizen: 280-39 Seiko: SB-AW


		Other Battery Sizes: [View]