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Gebbeth · 2 August 2022, 09:09 AM

As an aside, I have a SBGJ239 with a High Beat movement, but not the same one as the one in the WB.

Mine is one of the most accurate watches I own. Consistently no worse than +2 spd. It has never run slow.

It could very well be an issue with the 80 power reserve on the new movement in the WB. That's a lot of reserve power for a high beat movement, and so I can understand regulating that power can be an issue.

If the watches are coming back from GS or the AD still +5-10 spd, I would think it's not an issue with the balance, and therefore, regulation. I think GS needs to make some tweaks with the power delivery. Or perhaps the dual impulse escapement is "too efficient". I dunno.

2 August 2022, 09:09 AM	#10
Gebbeth "TRF" Member Join Date: Apr 2013 Location: Bay Area Posts: 886	As an aside, I have a SBGJ239 with a High Beat movement, but not the same one as the one in the WB. Mine is one of the most accurate watches I own. Consistently no worse than +2 spd. It has never run slow. It could very well be an issue with the 80 power reserve on the new movement in the WB. That's a lot of reserve power for a high beat movement, and so I can understand regulating that power can be an issue. If the watches are coming back from GS or the AD still +5-10 spd, I would think it's not an issue with the balance, and therefore, regulation. I think GS needs to make some tweaks with the power delivery. Or perhaps the dual impulse escapement is "too efficient". I dunno.

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