Zenith Chronomaster El Primero

This zenith chronomaster el primero is a special piece due to the design of the case made in black ceramic coated aluminium. the traditional dial, in this case matching the case, with tachymeter scale on the lower ring of the bezel as well as a date display at 6 o'olock and the sub-dials, which are an elegant silver colour. its calibre is made up of 278 parts and 31 rubies and it has a power reserve of up to 50 hours.