SR626SW (#377) Fits all 2035 and Super 2035 Citizen Movements. 99.9% of Formotion's gauges use this battery.
SR927SW ONLY for face dials with the imprint (words) Police SL and Vistrek Models only.
This battery is one of the most widely used batteries on the planet - that said, if you need it now, go to your local drug store and ask for one! They'll have !!