кстати,
о моделях, и точности мех-мов полезное дополнение (с PMWF):
The different movements, indicated by two letters in the model number, have different degrees of accuracy. This info is from a 2001 catalog.
FC, EG : +10~-5 sec / day
FA, EX, FE, ER, EM : +25~-15 sec / day
PF, NR : +40~-30 sec / day
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