Graham Silverstone Tourbillograph 2TSAB.B02A.

MORE DETAILS

Condition:

Brand New

Case Size:

48 mm

Also Known As:

2TSABB02A

Gender:

Gents

Movement:

Automatic

Functions:

Hours, Minutes, Seconds, Chronograph, Tourbillon

Watch Materials:

PVD

Caliber:

G1780

Case Back:

Transparent (See-Through)

Crown:

Screw Down

Dial Color:

Black

Band Type:

Leather Strap

Clasp Type:

Deployment

Signatures:

Graham

Included Items:

Manufacturer's Box and Papers

Description:

48 mm steel with black PVD case
Steel with black PVD right hand start / stop and reset pushers with "Clous de Paris" high grip pattern
Steel bezel with black PVD
See-through sapphire crystal case back
Column wheel chronograph (seconds, 30 minutes and 12 hours counter).
Tourbillon mechanism
Hours, minutes, seconds
Caliber G1780, automatic column wheel chronograph-Tourbillon, 28'800 A/h Ruthenium 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 skeletonized rotor and 925 sterling silver segment
Power reserve: 48 hours
Blackened Tourbillon cage: 48 components, 0.485 grams. Off-centre construction at 11 o'clock.
Complete see-through Tourbillon.
Double bridge construction with black PVD coated upper bridge.
"Black gold" balance
Black dial with tachymeter scale on external ring
Rhodiated hands and numerals
Black crocodile leather strap with black ceramic folding buckle
Water resistance to 50 meters / 160 feet