- Silverstone - Graham Grand Silverstone Luffield Black D (GR-238)
Official Authorised Agent
This limited edition flyback chronograph has been produced in a series of 500 pieces. Its calibre is G1721 automatic bi-compax chronograph. It makes 28 800 vibrations per hour. Additional features include the Incabloc shock absorber, 28 jewels and a 48-hour power reserve. The chronograph has seconds and a 30-minute counter. The watch comes with several other complications like GMT/second time zone, a tachymeter and a double date window at the 6 o'clock position. Hands mark hours, minutes and seconds.
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