Eberhard Chrono 4 21-42, User Manual

FEATURES

Mechanical chronograph with automatic winding and an exclusive device by Eberhard & Co. in the form 

of four counters aligned in one row. The crown is screwed in and water-resistant, the sapphire glass is 

vaulted, the caseback is fixed by 6 screws. The special sword-shaped hands and the “appliqué” hour 

indexes are marked by luminescent points to allow read-off when it’s dark.

From this collection, the following versions are available:

–   Case in stainless with steel or ceramic bezel, with rubber strap alligator leather strap with stainless 

steel buckle personalised E&C or deployment clasp Déclic (Patented) or the “Chaque” steel bracelet.

  Water-resistant to 50 m.

READING THE DIAL

On the “Chrono 4 21-42” dial there are 4 counters, arranged in one row, having the following functions:
– Small minutes-hand of the chronograph 

H

– Small hours-hand of the chronograph 

I

– 24-hours indicator 

L

– Small continuous seconds-hand 

F

The chronograph seconds are displayed by the centre-hand 

G

The calendar is positioned at 12 o’clock 

M

DISTINCTIVE FEATURES OF THE MOVEMENT

Chronographic automatic movement, 28,800 vibrations per hour

– Micrometric regulator

– “Glucydur” balance for regulating the movement (the inoxidizable alloy of which has a low coefficient 

of expansion), combined with a self-compensating spiral; it is hence insensitive to temperature 

fluctuations and ensures an optimum regulation of the movement

– Number of rubies: 37

– 42-hours power-reserve under optimum conditions

Exclusive device by Eberhard & Co. with counters arranged in a row

– Number of rubies: 16