I suspect the design was a collaboration between JLC and Panerai, both being part of the Richemont Group.
JLC makes no recommendation for winding only after 8 days are completed.
Their (JLC) 8-day movement is a twin barrel.
as far as I know JLC have not used a triple barrel system, usually their watches are slim and space defines the available complications.
As Panerai have only been using an inhouse movement on some models for a few years, to gain the movement design skills they have to be using others within the Richemont Group to achieve this.
In any event, in time, I hope that Panerai can move toward being a proper manufacture in their own right, making all the parts and cases within their own company.
Very few manufactures can lay claim to this feature. Haute horologie, not fashion.
Cheers
Richard
Cheers
Richard
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