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EL Primero Sport

Powered by El Primero 400 B calibre, a chronograph movement featuring an integrated column-wheel construction and beating at a cadence of 36,000 vibrations/hour, the new El Primero Sport model has inherited the DNA of the famous 1969 El Primero chronograph.
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Presented in a rugged case with an imposing 45 mm diameter, the new El Primero Sport chronograph is made of stainless steel, the most widely favoured material for top-flight sports timepieces. Its crown and its generous ribbed pushpieces ensure optimal grip as well as enhanced security. These are screwed in to guarantee water resistance to a depth of 200 metres. Topped by a domed sapphire crystal, the athletic build of the El Primero Sport model extends through to the ergonomic lugs featuring a sloping design to ensure a perfectly smooth fit on the wrist. The transparent sapphire case-back reveals the fascinating mechanism of the El Primero 400 B calibre and its oscillating weight adorned with a Côtes de Genève motif.

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El Primero 400 B, automatic
Calibre: 13¼‘‘‘ (diameter: 30 mm)
Thickness: 6.60 mm
Components: 326
Jewels: 31
Frequency: 36,000 vph – (5 Hz)
Power reserve: min. 50 hours
Finishing: oscillating weight adorned with Côtes de Genève motif

Central hours and minutes
Small seconds at 9 o’clock
Date window at 6 o’clock
Chronograph accurate to the nearest
1/10 th of a second
• 12-hour counter at 6 o’clock
• 30-minute counter at 3 o’clock
• Central chronograph seconds hand
• Tachometric scale

Material: steel
Diameter: 45 mm
Opening diameter: 39.70 mm
Glass: domed sapphire crystal with anti-reflective treatment on both sides
Back: transparent sapphire crystal
Water resistance: 20 ATM
Dial: lamé silver-toned or slate grey
Hour-markers: rhodium-finished, facetted and coated with Superluminova SLN C1
Hands: rhodium-finished, facetted and coated with Superluminova SLN C1

Brown alligator leather strap (with protective rubber lining), rubber strap, or metal bracelet
Steel triple folding clasp

Elite 6150 with 100 hours PR

With the aim of making the new Elite 6150 the basis of numerous future variations, the R&D team at Zenith opted to perfect its essential characteristics and to further enhance its performance. It notably addressed the task of doubling its power reserve – previously amounting to 55 hours – by adding a second barrel. The new Elite 6150 calibre now has a generous more than four-day power reserve. Throughout the development process, the movement thickness was the main focus of attention and safeguarding the movement’s original slimness was an absolute must. This challenge has been successfully met, since its 195 assembled parts form an ensemble no more than 3.92 mm thick. Meanwhile, the diameter of the calibre has been considerably enlarged so as to match the sizes of contemporary watches and thus provide a base movement that is more flexible to accommodate a variety of functions in the future. Another notable modification is that the seconds, formerly displayed in a subdial at 9 o’clock, are now displayed by a central direct-drive seconds hand, thereby ensuring improved amplitude, precision and reliability. Thus powering central hour, minute and seconds hands, the Elite 6150 calibre beats at a frequency of 28,800 vibrations per hour.

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The first timepiece to house the new Elite calibre, the Elite 6150 model features an entirely redesigned ultra-thin case of which the 42 mm diameter. This new ultra-thin steel case redesigned in a pebble shape features slim, flowing lines accentuated by tapered, slightly sloping lugs. Water-resistant to a depth of 30 metres.

Elite 6150, automatic
Calibre: 13¼‘‘‘ (diameter: 30 mm)
Thickness: 3.92 mm
Parts: 195
Jewels: 35
Frequency: 28,800 vph (4 Hz)
Power reserve: 100-hour minimum

Hours and minutes
Central seconds

Material: steel
Diameter: 42 mm
Thickness: 10 mm
Glass: domed sapphire crystal with anti-reflective treatment on both sides
Water resistance: 3 ATM
Dial: silver-toned
Hour-markers: hollowed to form delicate grooves
Hands: baton-type

Black alligator leather with protective rubber lining
Steel triple-blade folding clasp

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2015 Rolling Stones Edition