This manually winding Patek Philippe Grandmaster Chime 6300G-001 is crafted from white gold with a hand-guilloched hobnail pattern and a diameter of 47.4 mm. This piece has two faces, showing twenty complications including five striking functions. The front dial in ebony black opaline with classic gold appliqued Brequet numereals and a hand-guilloched hobnail-patterned center. The other dial in white with gold hands for hours and minutes with a 24 subdial. The power reserve indicators for the movement and striking mechanisms are located at the 9 o'clock and 3 o'clock positions. The date and moon phase subdial is found at the 6 o'clock position with strikework and function indicators to the left and right of this subdial. On the reverse face you find the perpetual calendar which shows the year in a 4 digit display at the center of the watch, with the month subdial at 3 o'clock, day and leap year subdial and the 6 o'clock, date at 9 o'clock and lastly a 24 hour indicator at 12 o'clock. The Grande Sonnerie, Petite Sonnerie, minute repeater can be set and controlled with ease. It strikes the time on three gongs: either automatically every quarter-hour with the Grande or Petite Sonnerie, accurate to the minute with the minute repeater. The power behind the Grandmaster Chime is the Calibre 300 GS AL 36-750 QIS FUS IRM offering over 20 functions and a movement power reserve of up to 72 Hours and a strikework power reserve of up to 30 Hours. Complimented by a shiny black band made from square scaled Alligator leather the strap is hand stitched and secured with a deployment clasp.