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Cheers JerseyMo, I hadn't realized anything< I thought this was the bezel... -
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By eccentric59 · Posted
The fact that the seconds runner starts running smoothly when you engage the chrono seconds makes me think the clutch is out of adjustment. That's a guess because I can't seem to find out too much about the chronograph module Breitling used on this model. On other Navitimers they used the Valjoux 7750 which had the running seconds on the left where the hand was mounted on an extended pivot on the fourth wheel. It looks to me that whatever pinion is driving that wheel is skipping teeth. Given that Breitling (et al) is not forthcoming with manuals or parts, I would send it back and ask for expedited service. They should be sufficiently embarrassed to do that for you at least. -
By HectorLooi · Posted
Looks like someone forced in a screw that was bigger than the hole. You would probably need to drill it out with a tungsten carbide rod sharpened at the tip to look like a spade drill. I'll see if I can find a video on how to make one. Start with a 0.5mm rod, then work your way up in 0.1mm increments until the walls of the hole weaken the screw enough to break it up. This is a very time consuming, slow process. You'll need to centre the hole properly and not deviate. WD40 helps. The other option is to abandon the hole and use a dial dot. As much as I hate dial dots, this might be the safest option for a beginner. Ok, found it.
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