Here is some information about the various batteries used in Swatch® watches I have around me.

  • Irony Medium (e.g. Black Flower): 
    • Reference: 177 / 376 / 377 / SR66 / AG4 / SR626SW
    • Size: 6.8 x 2.6 mm
  • Mini (e.g. Red Cherry):
    • Reference: 329 / SR731SW
    • Size: 7.9 x 3.1 mm
  • Skin (e.g. Flower Delight):
    • Reference: SR516 / 317
    • Size: 5.8 x 1.6 mm
  • Original / Lumi:
    • Reference: SR54 / AG10 / 189 / 387 / 389 / 390
    • Size: 11.6 x 3.1 mm
  • Chrono Standard (Iron/Alu):
    • Reference: SR45 / AG9 / 194 / 394
    • Size: 9.5 x 3.6 mm
The alternative… solar powered watches like the Citizen Eco-Drive. These require no maintenance that might compromise their water resistance!
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