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拍品专文
Reference 5170, a manually wound two-register chronograph was launched in 2010 and was initially available only in yellow gold as reference 5170J. A white gold version of the reference was introduced in 2013 as reference 5170G.
The model offered a new look compared to its predecessor, the reference 5070. The tachymeter scale has been replaced by a 15 pulsation scale, found on some rare earlier chronographs from the vintage era. Furthermore, for the first time, the reference houses the latest in-house calibre 29-535 PS with Patek Philippe’s new hallmark of excellence, the Patek Philippe or 'PP seal.
The model offered a new look compared to its predecessor, the reference 5070. The tachymeter scale has been replaced by a 15 pulsation scale, found on some rare earlier chronographs from the vintage era. Furthermore, for the first time, the reference houses the latest in-house calibre 29-535 PS with Patek Philippe’s new hallmark of excellence, the Patek Philippe or 'PP seal.