Case

Shape

Round

Diameter (in mm)

46

Water Resistance

100 m (330 ft)

Model Case

Lateral porthole at 10 o'clock to admire escapement and balance wheel, See through case back with sapphire crystal, Steel case with black PVD

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

Winding Crown

Crown secured by a bayonet system with red safety ring, Steel with black PVD 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, Red chrono, minutes and seconds counters' hands

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

Rubber

Bracelet

Integrated black tyre tread rubber with red inset

Clasp

Steel folding buckle with black DLC and ceramic clasp