Graham Silverstone Tourbillograph Toubillon 48mm

Stainless Steel with Black Dial Chronograph Automatic

* * You WILL NOT See Manyof These Around! * *

Limited & Numbered Edition Of 50 Pieces Worldwide!

This watch features:
– Polished stainless steel case with a fine brushed finish to the bezel ring & top of lugs.
– Flat matte black dial with recessed sub-dials that are finished with a finely engraved concentric circle pattern.
– Polished stainless steel hands with black colored luminous fill.
– Applied polished stainless steel Arabic Numeral hour markers.
– Tachymeter scale printed on the bezel flange under the crystal.

Tourbillon:
– Located at the top left corner of the dial.
– Crafter using 48 components & weighing merely 0.485 grams.
– Patented completely see-through from one side of the case to the other.
– 60 second Tourbillon with a hand affixed to the mechanism doubling as a seconds hand.

Chronograph/Stopwatch functions:
– Column wheel with polished segments and black low-friction coating, visible through the transparent case back.
– Large central seconds hand counter.
– 30 minute counter sub-dial located at the 3 o’clock position.
– 12 hour counter sub-dial located at the 6 o’clock position.

– Graham Caliber G1780, beats at 28,800 vph, contains 34 Jewels & has an approximate power reserve of 48 hours. Fitted with a ruthenium finished & skeleton oscillating rotor & a 925 sterling silver segment weight.