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Thomas Prescher QP1 (2)
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De Bethune DB25 Perpetual QP
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Patek Philippe 1518 @ Christie's (7)
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Patek 5270 QP (1)
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Vianney Halter Antiqua Perpetual Calendar (2)
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Vianney Halter Antiqua Perpetual Calendar (1)
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PATEK PHILIPPE POCKET WATCH 24 HOUR REPEATING Cal 97443 (1 (4)
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QP_News_Watchonista
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Lange & Söhne pocket watch N° 28218 from 1889 (5)
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[BaselWolrd 2011] De Bethune DB25 Quantième perpétuel