Check out these Renata CR2016 replacement watch batteries. These lithium batteries have less than a 1% fail rate making them perfect for replacing old cells.
Renata CR2032RH-MFR 3V Lithium Coin Battery HORZ 3-PIN For IBM CMOS RTC PCB CR2032RH-MFR
Renata 376 MP 27mAh 1.55V Silver Oxide Coin Cell Battery - 1 Piece Tear Strip, Sold Individually
Renata CR1225 Batteries - 3V Lithium Coin Cell 1225 Battery (5 Count) : Health & Household
Renata CR2016 Battery - 3V Lithium
386 Battery Replacement Watch Batteries Renata x 10
Renata 337 - SR416SW Silver-Oxide Battery 1.55V -337R
Renata 303 Watch Battery (1PC)
Pack of 10 Renata 2016 watch batteries ( CR2016 equivalent) Original Swiss Made Renata Batteries, used to power watches, toys, calculators, various
10 x Renata CR2016 Batteries, 3V Lithium, 2016
Renata CR2477N Lithium Battery 3V
Renata CR2016 Watch Battery