Private sales, hence, no guarantee. I never do a guarantee for the old mechanisms and which were in the use. But I surely check working capacity before sending. We together will resolve any issues. The item "Clock TB&S (Tobias Bauerle & Sons) WW II German Army 1940" is in sale since Sunday, November 4, 2018.This item is in the category "Collectibles\Militaria\Militaria (Date Unknown)\Air Force". The seller is "quatro211" and is located in , . This item can be shipped worldwide.