I have a SWISS ETA 2836 MOD GMT and have noticed the gmt hand lags cosiderably during normal wear...however when the hour hand is advanced manually the gmt is spot on....set the time an wear the watch and it begins to lag again
any ideas as to wtf is going on here and a possible resolution?
thanks in advance
V
any ideas as to wtf is going on here and a possible resolution?
thanks in advance
V