I have a gen ETA2804 hand wind and it used to keep time 6"/day but now all of a sudden gains 2 mins/day. I've stupidly wound this thing every few hours one time as I'm OCD. Maybe this stressed the main spring??? What causes this type of minute gains? I'm sending out for repairs.
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ETA2804 gains 2 mins/day; help!!!
- Thread starter drfcfighter
- Start date