The sober and refined black, silver-toned or anthracite dials are housed in a distinctively fluted case, one of the Brand’s hallmarks. The First Class collection is available with closed caseback with stamping of the Brand’s rotor or with open case back fitted with a sapphire crystal which allows an unimpeded view into the movement. True to its characteristic design codes, Perrelet maintains its quality of legibility and endows this collection with a contemporary and yet timeless value. FIRST CLASS P-321 / In-house caliber Collection specifications Movement Mechanical automatic P-321 / In-house caliber Function Central hands indicating hours, minutes and seconds. Date at 6 o’clock Vibrations per hour 28,800 (4 Hz) Autonomy in hours ( fully wound up) 42 hours Number of rubies 25 jewels Case Case Ø 42.50 mm Case thickness 10.60 mm Crystal Glareproofed sapphire crystal on both sides Caseback Closed caseback stamped with the Perrelet rotor See-through caseback Water-resistance 5 ATM Bracelet Buckle Folding clasp with push-buttons Width of strap ( lugs / buckle ) 20 / 18 mm 22 | TRADE CATALOGUE 2014 - 2015
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