PATEK PHILIPPE’s manual-wound CH 29-535 PS chronograph calibre, originally introduced in a ladies’ watch in 2009, has been used in the men’s 5170 series since 2010, and the new 5172G-001 is the fifth iteration. The movement has six patented innovations that optimize the chronograph function, including refined tooth profiles, blocking lever and hammers, and an optimized split seconds wheel. The result is ultimate precision, improved amplitude and a greater element of self-adjustment. The white gold case of the 5172-001 has vintage-style three-tier lugs and a sapphire box glass crystal, as well as guilloched chronograph pushers. The sporty blue dial with large baton-style luminescent hands has a matching navy calfskin strap with top-stitching.
SPECIFICATIONS
CASE
18k white gold, 41 mm x 11.45 mm thick, with guilloched pushers, sapphire crystal front and back. Water resistant to 30 metres (3 bar/100 ft).
DIAL
Blue varnished, gold applied numerals and white gold leaf hands with luminescent coating, tachymeter scale, 30-minute counter, small seconds counter.
MOVEMENT
PATEK PHILIPPE Manufacture manual-wound chronograph calibre CH 29-535 PS, Breguet balance spring, 28,800 vph, 65-hour power reserve.
FUNCTIONS
Hours, minutes, small seconds, central chronograph seconds, 30-minute counter, tachymeter scale.
BRACELET/STRAP
Hand-stitched navy blue calfskin with topstitching, foldover clasp.
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