Zenith Class Open El Primero Automatic Chronograph 40 mm

The Zenith Class Open El Primero Chronograph, reference 03.0510.4021/01.C492, is a representation of the technical excellence and innovative design that characterizes Zenith. This 40 mm model stands out for its distinctive open window on the silver dial, which reveals part of the iconic El Primero movement in operation. The chronograph subdials are arranged in a balanced manner, allowing clear and precise reading of the functions, while the applied Arabic numerals and luminescent-coated hands add a touch of sophistication. Inside, the watch houses the legendary El Primero caliber 4021, a high-frequency automatic movement renowned for its chronometric precision and ability to measure time down to 1/10 of a second. This self-winding chronograph is a masterpiece of engineering that has defined Zenith's reputation in the world of fine watchmaking. The sapphire crystal caseback allows the fine details of the movement to be admired, while the black leather strap with folding clasp ensures a comfortable and elegant fit.

Brand: Zenith
Model: Class Open El Primero
Reference: 03.0510.4021/01.C492
Functions: Hours, Minutes, Small seconds, Chronograph, and Power reserve indicator
Luminescence: Super-LumiNova
Crystal: Sapphire
Year: 2010
Box material: Stainless steel
Background: Transparent
Box diameter (mm): 40
Box thickness (mm): 13.1
Bevel-type: Fixed
Bevel material: Stainless steel
Sphere: Silver
Water resistance (m): 50
Movement type: Automatic
Caliber: The First 4021
Power reserve (h): 50
Bracelet type: Leather strap
Closure type: Drop-down
Bracelet width (mm): 20
Condition:
Box & papers: Includes box and papers, plus the 12-month LOFT Warranty

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For your peace of mind, we have a technical team with extensive industry experience inspecting all the watches we receive. Watches that meet the quality and authenticity criteria to be listed on LOFT include our LOFT Guarantee, which gives you peace of mind in three key areas:

1. Ensure the authenticity of the watch you are purchasing.

2. Guarantee the origin of the watch you are buying.

3. Ensures proper functioning

of the movement (caliber or module) of the watch you are purchasing for 1 year*, according to the requirements specified in the Warranty Certificate.

Exceptions :

• Watches labeled Vintage , although they are wonderful pieces with a great horological heritage, obviously no longer meet the manufacturer's operating standards.

• Problems related to the tightness or waterproofing of the products. This includes leaks, seepage, or other problems that affect the product's ability to prevent the passage of liquids or moisture.

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