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Does anyone know how many crown rotations it takes to fully wind the five-day mainspring in an ingenieur automatic 40 or a portofino moon phase 37?

They use calibres 32111 and 32800 which are in the same calibre family, but I guess the number of crown...

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]]> Watch Repair & Restoration Services in Northbrook & North Chicago Suburbs. Contact us for a free estimate at 224-213-7371. Learn more from our news blog.
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caffeinated247

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Does anyone know how many crown rotations it takes to fully wind the five-day mainspring in an ingenieur automatic 40 or a portofino moon phase 37?

They use calibres 32111 and 32800 which are in the same calibre family, but I guess the number of crown rotations could be different depending on the gear ratios between winding pinion, crown wheel, and ratchet wheel.

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