Home General The Graham Silverstone Tourbillograph: WTF Is A Tourbillograph?

The Graham Silverstone Tourbillograph: WTF Is A Tourbillograph?

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I definitely would love to take this watch to bed with me to snuggle, but Tourbillograph? What the heck is that?

Well it’s clearly a chrono with a tourbillon in there, but why the new name? Call it tourbillon chronograph, maybe? Why invent a word? Anyway, Graham is selling this one with a column wheel chrono (we’ll talk about what that means in a later post) with a tourbillon. It’s got enough high-end finishing and material to choke a horse and the price is pretty hefty: 44’850 Swiss Fracs which is (not kidding) $52,066. The $66 is for shipping.

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
GRAHAM-LONDON

?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 160 feet / 50 m resistance
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
Price 44’850 CHF

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