WristWatch

Got time on your hands?

Zenith Grande Class Open El Primero

Posted by wristwatch on July 18, 2007


Sometimes, much can be said with few words. Pure in style, with a minimalist approach and the aim of being a basic essential: this is the philosophy of the CLASS collection. Targeted at the businessman who appreciates subtle elegance and discreet luxury, timeless classical style and ultimate chic. This collection offers ZENITH Manufacture the ideal setting in which to express its expertise as a great watchmaker.

* El Primero 4021H
* Automatic chronograph movement
* 13“` caliber. Diameter 30 mm. Height : 7.75 mm. 248 components.
* 36’000 vibrations per hour
* Power reserve over 50 hours
* 39 jewels
* Measures short time intervals to a 10th of a second
* Automatic winding in both directions
* Central rotor on ball bearings
* Heavy metal oscillating weight with “Côtes de Genève” or “Grain d’Orge” guilloché pattern
* Hours and minutes in the center
* Small seconds-hand at 9 o’clock with a 3-branched hand
* Chronograph:
* – Central seconds-hand
* – 30-minute counter at 3 o’clock
* Power reserve indicator from hour axis
* Stainless steel case with satin-finish horns
* Stainless steel ZENITH push buttons and crown
* Diameter : 40 mm / Diameter opening : 32.5 mm
* Curved sapphire glass with anti-reflection treatment on both sides
* Transparent sapphire case back
* Water-resistance up to 50 meters
* Open dial at 10 o’clock showing the heart of El Primero
* White, black, grey plain dial or brown guilloche dial
* Rhodium hand-mounted applique arabic numerals
* Rhodium faceted hands
* 18-carat rose gold power reserve hand
* Handmade white, black or brown alligator leather strap lined with silky Alzavel calfskin
* Stainless steel Class triple folded buckle stamped with ZENITH star on the cap

Grande Class Open:
03.0520.4021/75.C491: stainless steel case, brown guilloché dial, black alligator leather strap
18.0520.4021/75.C491: rose gold case, brown guilloché dial, black alligator leather strap

Plain Dials
03.0520.4021/01.C492 : stainless steel case, silver dial, black alligator leather strap
Also available on black rubber strap or metal bracelet
03.0520.4021/21.C492 : stainless steel case, black dial, black alligator leather strap
Also available on black rubber strap or metal bracelet
03.0520.4021/73.C492 : stainless steel case, grey dial, black alligator leather strap
Also available on black rubber strap or metal bracelet

Guillochés Dials
03.0520.4021/02.C492 : stainless steel case, silver guilloché dial, black alligator leather strap
Also available on black rubber strap or metal bracelet
03.0520.4021/22.C492 : stainless steel case, black guilloché dial, black alligator leather strap
Also available on black rubber strap or metal bracelet
03.0520.4021/76.C492 : stainless steel case, grey guilloché dial, black alligator leather strap
Also available on black rubber strap or metal bracelet
18.0520.4021/01.C492: rose gold case, silver guilloché dial, black alligator strap

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