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Zenith caliber El Primero 3620

Zenith caliber El Primero 3620 | Automatic | Diameter: 30 mm (13ΒΌ lignes) | Thickness: 6.6 mm | Frequency: 36,000 vph (5 Hz) | Parts: 219 | Jewels: 26 | Hours, minutes, small 1/10th of a second indication (foudroyante), date | Power reserve: 60 hours

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High-beating three-hander movement with date that comes in 3 variants (as far as we know). First there is this “standard” 3620. Then the Zenith caliber El Primero 3620 SC (Secondes Centrales) with central seconds. And lastly the Zenith caliber El Primero 3620 SK. Which is the sekelton version of the standard movement.

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The standard 3620 and the skeletonized 3620 have so called foudroyante seconds, also known as “jumping seconds” or “flying seconds”. This complication shows a sub-second hand that moves in very rapid increments, here every 1/10th of a second. “Foudroyante” is French for “lightning” reflecting the speed of the small seconds hand.

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The “secondes centrales” version, the 3620 SC, has normal running seconds on a central hand.

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Watches with the Zenith caliber El Primero 3620

Zenith Defy Skyline Americas Edition ref. 49.9308.3620/56.l001
Zenith

Zenith Defy Skyline Americas Edition

by YWH Team 17 November 2024
by YWH Team

The Defy Skyline Americas Edition by Zenith is a limited-edition watch crafted exclusively for North and South America with a metallic dial

Zenith Defy Skyline Dubai Edition ref. 03.9303.3620/07.I001
Zenith

Zenith Defy Skyline Dubai Edition

by YWH Team 13 November 2024
by YWH Team

The Zenith Defy Skyline Dubai Edition is a special edition available only at the Zenith boutiques in Dubai Mall and Mall of Emirates

Zenith Defy Skyline Pink 41 mm Edition Susan G. Komen ref. 03.9301.3620/18.I001
Zenith

Zenith Defy Skyline Pink 41 mm Edition Susan G. Komen

by YWH Team 1 October 2024
by YWH Team

There is already a 36-millimeter Defy Skyline in pink, however this Zenith Defy Skyline Pink 41 mm Edition Susan G. Komen serves a special purpose

Zenith Defy Skyline Edition Paris ref. 03.9302.3620/75.I001
Zenith

Zenith Defy Skyline Edition Paris

by YWH Team 6 July 2024
by YWH Team

With the Zenith Defy Skyline Edition Paris the Swiss brand wants to underline something about France and Paris and a lot of visitors

Zenith Defy Skyline Ice Blue ref. 03.9300.3620/15.I001
Zenith

Zenith Defy Skyline Ice Blue

by YWH Team 4 August 2023
by YWH Team

Zenith keeps creating new colors and variants of their Defy Skyline: here is the very blue Zenith Defy Skyline Ice Blue

Zenith Defy Skyline Boutique Edition reference 03.9300.3620/02.I001
Zenith

Zenith Defy Skyline Boutique Edition

by YWH Team 3 April 2023
by YWH Team

This is the Zenith Defy Skyline Boutique Edition and there’s actually nothing new on this watch. Apart from a new color scheme on its dial

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