Vous êtes ici: Home > Time

The measurement of time

Adopted in 1960, the International System of Units (SI) is designed in a scientific manner. It is based on 7 base units through which all physical sizes can be measured. The base unit of time is the second.

The relationship between the hour, minute and second is sexagesimal, whereas the SI strives to define units that have a decimal relationship.

The division of the average calender day in 2 x 10 units is in accordance with the SI. The decimal unit of time is the "divide" (decimal division).

Created in 1999, a concept of revolutionary watched offers the simultaneous display of the sexagesimal divisions (hour and minute) and the divisions by ten ("divide") on a two scale dial.
The Comparative Watch is born.
Download the full file
N_C_D-Ch021.jpg
Montres Chanson David - Case postale 36 - CH-1028 Préverenges - Tél. +41 21 801 91 86 - Fax +41 21 801 21 65 - info@chansondavid.com Chanson David Watches - P.O. Box 36 - CH-1028 Préverenges - Tel. +41 21 801 91 86 - Fax +41 21 801 21 65 - info@chansondavid.com
MontreMontreMontreMontreMontreMontreMontreMontre MontreMontreMontreMontreMontreMontreMontreMontre
Logo Chanson David - Swiss Watches - Montres suisses