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longines l633.5 caliber

  1. Longines
    Hi everyone. I've owned a Longines Conquest Heritage (L1.611.4.75.2 - powered by the Longines L633.5 movement, which is an elaboré-grade ETA 2824-2 with an Incabloc Standard shock absorber) for a year and three months now, and I think it's behaving a bit strangely. Overall, it seems to be...