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 Battery CR1220 –
Renata Batteries 365 / SR1116W Watch Battery (5 Pack) : Health & Household
StrapsCo 2016 Renata Watch Battery
Renata 395 MP 55mAh 1.55V Silver Oxide Coin Cell Battery - 1 Piece Tear Strip, Sold Individually
Renata 391 Battery (SR1120W) Silver Oxide 1.55V (1PC)
Renata 303 Watch Battery (1PC)
2PCS 100% Renata 371 SR920SW AG6 LR920 LR69 920 1.55V Silver Oxide Watch Battery For Scale Toy Remote Control Button Coin Cells - AliExpress
Original RENATA CR2016 CR 2016 3V Lithium Battery DL2016 ECR2016 For Toy Car Key Watch Motherboard Scale Button Coin Cell - AliExpress
Swatch Battery.com Swatch batteries, watch batteries Watch Battery Renata Energizer
Watch Battery Replacement in Rotorua While You Wait.
Renata CR2016 Watch Battery Replacement
1-5PCS RENATA CR2016 CR 2016 3V Lithium Battery DL2016 ECR2016 For Toy Car Key Remote Control Calculator Watch Button Coin Cells