Watch Battery Cell muRata SR721SW/362 | SR621SW/364 |SR521SW/379 | SR927SW/399/395 | SR716SW/315 | SR916SW/373 | SR936SW/394 | SR516SW/317 | SR616SW/321 | SR527SW/319 | SR416SW/337 | SR512SW/335 | SR726SW/397 | SR626SW/377 | SR920SW/371 (1xCell)| Ecartmax