IWC IW502708 Big Pilot Annual Calendar Edition "150 Years" SS UNWORN (31684)

31684 IWC Big Pilot Annual Calendar Edition "150 Years" IW502708 502708 5027-08, limited edition of 150 pieces, stainless steel case on a strap with a stainless steel deployant buckle, automatic 7 day IWC caliber 52850 movement, blue dial with luminous hands and Arabic numeral hour indicators, power reserve indicator, annual calendar at 12 o'clock, display back feautring rotor with 150 Years medallion in the rotor, sapphire crystal, water resistant, diameter: 46mm, thickness: 15.5mm. Unworn with original box and papers dated February of 2019.


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More about IWC IW502708 Big Pilot Annual Calendar Edition "150 Years" SS UNWORN

This is an 18k rose gold IWC Big Pilot Annual Calendar Edition "Le Petit Prince" IW502701. It has a Santoni leather strap with an 18k rose gold double folding deployment buckle, and a scratch resistant anti-reflective sapphire crystal secured against displacement in large sudden drops in air pressure. It has an oversized gem-shaped screw down winding crown, and a screw down exhibition sapphire display case back engraved with "ONE OUT OF 250 – 6 BAR." The 46mm diameter solid three-body case, curved lugs, and thin stepped bezel, are polished/brushed. The dial is midnight blue with white luminous Arabic numerals at 2, 4, 5, 7, 8, and 10 o'clock, luminous white baton hour indices at 3, 6, and 9 o'clock, and luminous "spitfire" sword hands. Around the perimeter is a white luminous 60-minute/second scale with Arabic numerals every five minutes, and a white luminous triangle braced with two dots at 12 o'clock. There is an arched triple aperture annual calendar at 12 o'clock, with the month, day, date, and day. There are twin blue recessed subsidiary dials with sunray pattern, white markers and Arabic numerals, and luminous spitfire indicator hands, including a running small seconds register at 9 o'clock, and there is a 7-day, 168-hour power reserve dial at 3 o'clock. It's water resistant to 60 meters/200 feet, and the 15.5mm thick case, dial, and movement are all signed. This IWC 5027 Big Pilot Annual Calendar Edition "Le Petit Prince" IW502701 has a mechanical automatic self-winding IWC caliber 52850 movement. It's rhodium plated with Cotes de Geneve and perlage embellishment. It's constructed with 36 jewels, two barrels mounted in series, and a shock absorber device. It includes a Glucydur beryllium alloy indexless balance with high-precision adjustment screws on the balance rim, adjusted to 5 positions. It has a Breguet flat-balance spring, a hacking small seconds device for precision time setting, and a rotor with an 18-carat gold medallion with the little prince standing on top of a flower-filled world. The mechanism oscillates at a frequency of 28,800 vph (4 Hz).

The IWC 5027 Big Pilot Annual Calendar Edition "Le Petit Prince" IW502701 was introduced in 2016 in a limited edition of 250 examples.