This Special Edition elegantly reveals the emblem of Perrelet’s homeland on the dial adorned with the Swiss flag. With this new addition the brand pays homage to its rich heritage both in terms of its history and its watchmaking expertise. The 12-blade Turbine rotating freely over the dial plays with optical effects to suggest a white cross floating above the Swiss-red background. The Turbine Helvetia honors the P-331 caliber with two elegant cases, one in black PVD-coated steel and the other in diamond-set steel, nestled on straps in matching colors that have been superbly crafted from alligator leather. TURBINE HELVETIA P-331 / In-house caliber Collection specifications Movement Mechanical automatic P-331 / In-house caliber Function Central hands indicating hours, minutes and seconds Vibrations per hour 28,800 (4 Hz) Autonomy in hours ( fully wound up) 42 hours Number of rubies 25 jewels Case Case Ø 44 mm / Ø 38 mm Case thickness 13 mm / 12.77 mm Crystal Glareproofed sapphire crystal on both sides Caseback See-through caseback Water-resistance 5 ATM Bracelet Buckle Folding clasp with push-buttons Width of strap ( lugs / buckle ) 25 / 20 mm / 24 / 18 mm Other feature Turbine on the dial side * PVD (Physical Vapor Deposition) coating The PVD coating used by Perrelet is a high technology coating made by ion bombardment in vacuum. It is a 2-micron thick layer of carbon that has a very high wear resistance and antifriction coefficient. Its hardness offers at the same time a silky aspect particularly adapted to the Perrelet product line. 66 | TRADE CATALOGUE 2014 - 2015
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