Case

Shape

Round

Diameter (in mm)

46

Water Resistance

100 m (330 ft)

Bezel

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

Crystal

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

Winding Crown

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

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 black PVD coating

Material

Steel with black PVD

Dial

Indexes

Bâtons

Details

Black hours and minutes hands coated with white Super-LumiNova, Black minute scale with white Super-LumiNova graduation, Openwork balance bridge and plates, Red chrono, minutes and seconds counters' hands, 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

Bracelet

Black Alligator Leather

Clasp

Steel folding buckle with black DLC and ceramic clasp