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Graham Silverstone tourbillograph steel

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Graham
$52,275.00
SKU:
350792311
Weight:
1.00 LBS
Shipping:
Calculated at checkout

 Product Description

Graham Silverstone tourbillograph steel : Functions Column wheel chronograph (seconds, 30 minutes and 12 hours counter). Tourbillon mechanism Hours, minutes, seconds Calibre Calibre G1780, automatic column wheel chronograph-tourbillon, 28'800 A/h (4 Hz), Incabloc shock absorber Rhodium blackened movement with Haute Horlogerie finishing. Perlages, sandblasted, manually chamfered and polished bridges and bottom plate, column wheel with polished segments and black low-friction coating, ruthenium oscillating weight with skeletonised rotor and 925 sterling silver segment 34 jewels Power reserve: 48 hours Ruthenium tourbillon cage: 48 components, 0.485 grams. Off-centre construction at 11 o'clock. Complete see-through tourbillon. Two patents. Rhodiated double bridge construction with black varnish coated upper bridge. Golden balance Case 48 mm steel Steel right hand start / stop and reset pushers with Clous de Paris high grip pattern Steel bezel? Domed sapphire crystal, anti-reflective coating on both faces See-through sapphire crystal case back Water resistance 160 feet / 50 m Dial Black dial with tachymeter scale on external ring, black snailed minutes and seconds counters Rhodiated central hours and minutes hands with black Super-LumiNova coating, rhodiated chrono, hours, minutes and seconds counters hands, rhodiated numerals Strap Black croco? Steel folding buckle

 Warranty Information

5 Year Blount Jewels Warranty

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