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NIVADA GRENCHEN Chronomaster
“Big Eye”

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The Chronomaster model wasn’t just a chronograph. It was more like the Super-Chronograph. It in fact had an astonishing number of functions. Such a purpose is accurately reflected in the model’s name: CHRONOMASTER AVIATOR SEA DIVER, which suggests a clientele of professional racing drivers, pilots and divers, as well as the multiple functions evoked in the advertising of the 1960s: THE WORLD’S BUSIEST WATCH – HAS MORE USES THAN EVER COUNTED.

The models fitted with the Valjoux 23 caliber are the third representatives of the Chronomaster dynasty (after the Venus 210 and the Valjoux 92). This development coincided with relatively major changes to the dial and hands. The dials got new typography for the subdials with simplified scales and the numerals the conventional way up. The broad arrow hands changed to the more contrasting white baton hands, while lollipop, followed by  elongated triangular hands indicated the chronograph seconds.

The present model is an exceptionally rare Chronomaster version, with several unusual features: the most visible is the white/blue/orange counter, which is larger than the other one, hence its nickname “Big Eye”. The Yachting scale, in orange, starts after 5 minutes, unlike the other Chronomasters. In addition, there is a number 45 just below the counter, which could refer to each of the halves in football.

Finally, it is the only Chronomaster not to have a tachymeter scale.

This example, reference 85006 /3835, is in good condition, and all its components are period consistent.

The Watch Score is 8.2.

An Extra Score of + 0.5 is given for its overall aesthetic consistency.

Our WATCHFID Rating is 8,7.

Specifications

About this watch

The Chronomaster model wasn’t just a chronograph. It was more like the Super-Chronograph. It in fact had an astonishing number of functions. Such a purpose is accurately reflected in the model’s name: CHRONOMASTER AVIATOR SEA DIVER, which suggests a clientele of professional racing drivers, pilots and divers, as well as the multiple functions evoked in the advertising of the 1960s: THE WORLD’S BUSIEST WATCH – HAS MORE USES THAN EVER COUNTED.

The models fitted with the Valjoux 23 caliber are the third representatives of the Chronomaster dynasty (after the Venus 210 and the Valjoux 92). This development coincided with relatively major changes to the dial and hands. The dials got new typography for the subdials with simplified scales and the numerals the conventional way up. The broad arrow hands changed to the more contrasting white baton hands, while lollipop, followed by  elongated triangular hands indicated the chronograph seconds.

The present model is an exceptionally rare Chronomaster version, with several unusual features: the most visible is the white/blue/orange counter, which is larger than the other one, hence its nickname “Big Eye”. The Yachting scale, in orange, starts after 5 minutes, unlike the other Chronomasters. In addition, there is a number 45 just below the counter, which could refer to each of the halves in football.

Finally, it is the only Chronomaster not to have a tachymeter scale.

This example, reference 85006 /3835, is in good condition, and all its components are period consistent.

The Watch Score is 8.2.

An Extra Score of + 0.5 is given for its overall aesthetic consistency.

Our WATCHFID Rating is 8,7.

Watchfid Score

8.2 / 10

About the Model

About the Brand

Services Included

Watchfid Certification Report: Yes

The purpose of this document is to determine whether the constituent parts of the watch are conform to the model reference /period or not, and to value their condition and importance.

Watchfid Digital Certificate: Yes

All the watches are provided with a digital certificate (the Watchfid-ID), that will be uploaded on your protected and anonymous digital wallet.

Watchfid Appraisal Book: Yes

This document presents each watch in the most objective and detailed manner possible, thanks to a substantiated analysis, high-resolution photos designed to highlight all elements of the watch and an innovative rating system. Available in printed and digital versions.

Extract of Archives: Yes

On request and when available, an extract of the archives from the manufacturer can be obtained.

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