Case

Shape

Round

Diameter (in mm)

46

Water Resistance

100 m (330 ft)

Bezel

Black ceramic (ZrO2) bezel with orange tachymeter scale,Red knurled aluminium ring under the bezel

Crystal

Sapphire crystal with GRAHAM inscription, anti-reflective coating on both faces

Material

Steel case with black PVD

Model Case

Lateral porthole at 10 o'clock to admire escapement and balance wheel,See-through sapphire crystal case back with limited edition serial number engraved, black PVD screws,Steel case with polished bevel horns

Winding Crown

Crown secured by a bayonet system with green safety ring,Steel right hand control pushers

Dial

Indexes

Bâtons

Details

Black hours and minutes hands coated with white Super-LumiNova,Black minute scale with white Super-LumiNova graduation,Blue chrono, minutes and seconds counters' hands,Openwork balance bridge and plates,Shaded grey and rhodium movement with hand-drawn strokes decoration

Color

Black skeleton dial

Movement

Power Reserve

46 Hours

Movement

Self-winding mechanical

Winding

Automatic

Functions

Chronograph,Hours, Minutes, Seconds,Tachymeter

Jewels

29

Frequency

28,800 VpH (4 Hz)

Oscillator

Oscillating weight with hand-drawn strokes decoration and snailed external segment

Caliber

G1790

Bracelet

Material

Alligator Leather

Clasp

Steel folding buckle

Bracelet

Black Alligator Leather