Zenith El Primero Caliber 4000sc

Zenith Caliber 4000SC

Zenith El Primero Caliber 4000sc

ManufacturerZenith
Caliber Number4000SC
Base CaliberZenith El Primero 400
Vibrations Per Hour36,000 bph
Diameter13”’ (30mm)
Height6.5mm
Components278
Power Reserve50+ hours
Jewels31
FunctionsHours, minutes, small seconds, date, chronograph, 30 mins, 12 hrs
Country of ManufactureSwitzerland
Known Models
Defy Classic

The Zenith El Primero caliber 4000 SC is based off the caliber 400 but has some modern upgrades including the use of Zenithium. It features a ball bearing rotor made from full tungsten with guilloche pattern. The automatic winding is in both directions.

Zenithium

Zenithium is an exclusive alloy made from aluminum, titanium, and niobium. The aluminum gives characteristics of lightness; titanium gives strength; niobium is for form memory. Zenith created this special shock absorbing alloy to strengthen the the chronograph bridge and balance.

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Randy Axy
Randy Axy
2 years ago

Beautiful movement.

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New Watch Alert 2.28.20 - The Truth About WatchesThe Truth About Watches
7 months ago

[…] Amazon). And when it comes to movements, Zenith wrote the book. This one’s got the legendary El Primero 400 automatic movement. So there is […]

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