Zenith El Primero Caliber 4000sc

Zenith Caliber 4000SC

Zenith El Primero Caliber 4000sc

Manufacturer Zenith
Caliber Number 4000SC
Base Caliber Zenith El Primero 400
Vibrations Per Hour 36,000 bph
Diameter 13”’ (30mm)
Height 6.5mm
Components 278
Power Reserve 50+ hours
Jewels 31
Functions Hours, minutes, small seconds, date, chronograph, 30 mins, 12 hrs
Country of Manufacture Switzerland
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.

Add your experience with the caliber 4000SC in the comments below…

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Randy Axy
Randy Axy
5 years ago

Beautiful movement.

trackback
New Watch Alert 2.28.20 - The Truth About WatchesThe Truth About Watches
4 years 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 […]

ED
ED
11 months ago

Low amplitude,wot to do?
Best Regards .

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