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A. Lange & Söhne 1815 Rattrapante Perpetual Calendar Handwerkskunst & Blue Series Watches
Your average A. Lange & Söhne watch is already chock full of craftsmanship and anything but average. For those who require something even more “special,” however, the brand’s Handwerkskunst watches usually offer some additional artistic decoration for one of the brand’s existing models. The A. Lange & Söhne 1815 Rattrapante Perpetual Calendar Handwerkskunst is one…