The Grand Lange 1 "Luna Mundi is only delivered as a duo, namely as a set with two watches in a precious wooden box: Luna Mundi / Ursa Major (Great Bear) in white gold and Luna Mundi / Southern Cross (Southern Cross)in red gold. The unique moon and star exploration by A. Lange & Söhne with the continuous phase of the moon drive and with the respectively correct representation of the moon for the northern and southern hemisphere is limited to 101 pieces.

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