Case

Shape

Round

Diameter (in mm)

42

Material

Steel

Model Case

Secured by 6 screws, with flat sapphire crystal, polished bevel with Tazio Nuvolari’s autograph engraving,Steel

Water Resistance

30 m (100 ft.)

Bezel

Polished Steel

Crystal

Anti-reflective domed sapphire glass

Winding Crown

Crown with coaxial push-buttons

Dial

Indexes

Arabic Numerals

Color

Black

Details

Black with embossed white-painted Arabic numerals, white large leaf-shaped hands,Tachometric scale

Movement

Height (in mm)

7.9

Diameter (in mm)

30

Jewels

25

Winding

Automatic

Functions

Chronograph,Hours, Minutes, Seconds,Tachometer

Power Reserve

44 Hours

Movement

Mechanical self-winding

Frequency

28,800 A/H

Caliber

ETA 7750

Oscillator

Glucydur balance wheel,Nivaflex mainspring

Bracelet

Material

Leather

Bracelet

Black leather strap

Clasp

Deployment clasp