2010 Zenith El Primero ChronoMaster
Brand
Zenith
Series
El Primero Chronograph
Catalogue Reference
ChronoMaster - 03 1260 4021
Production Year
2010
Movement Type
Automatic (Self-Winding)
Style
Dress Watch
Date
A feature that displays the current day of the month, typically in a small window on the dial, commonly placed at the 3 o'clock or 6 o'clock position.
Automatic Chronograph
A chronograph watch powered by automatic (self-winding) movement, featuring both timekeeping and the ability to measure elapsed time with a stopwatch function.
Case
Diameter
45 mm
Thickness
14 mm
Material
Stainless Steel
Water Resistance
Water Resistant
Finishing Details
Polished
Bezel
Without
Crown Type
Push/Pull
Crystal
Sapphire
Caseback
See-Througth Caseback
Dial
Color
Black
Dial Markers
Arabic with Sticks
Finishing Details
Detailed Subdials
Luminiscent Indexes
None
Calendar
Without Calendar
Bracelet
Material
Leather
Buckle Type
Folding Clasp
Width
22 mm
Color
Black
Zenith caliber El Primero 4021
The Zenith El Primero 4021 is a automatic chronograph movement movement with power reserve display.
The El Primero 4021 operates at a high frequency of 36,000 vibrations per hour (vph), allowing for a remarkable accuracy.
This high beat rate is a defining characteristic of the El Primero series and the Zenith chronographs.
Manufacturer
Zenith
Model
El Primero 4021
Type
Automatic (Self-Winding)
Frequency
36600 A/h
Jewels
39 (Thirty-Nine) Jewels
Reserve
50 Hours
Functions
Hours, Minutes, Sweep Seconds, Chronograph, Column wheel, Small Seconds, Power Reserve Indicator