Thank you bro. Wow, u do know about watches.
A large mainspring barrel was use instead of stacked barrels for 65 hours of power reserve.
Yup, some do prefer this setup. Kari Voutilainen is one of them and he had commented that the mainsprings in stacked barrels are long and thin and are prone to wearing out faster.
"The Datograph is perfect in every detail. The Germans [Lange] have surpassed us [the Swiss]." - Philippe Dufour
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