
2016 Zenith Chronomaster El Primero
A Chronomaster with a gorgeous gray sunray dial, a large case, and the Zenith El Primero 400B automatic movement.
Overview
While the El Primero has mostly been made in its original 38mm size throughout the years, Zenith decided to release a standard issue tri-color EP in a larger, more contemporary 42mm case in 2013. Versions with a blue dial and a gray dial soon followed, each featuring a different take on the iconic tri-color design. These larger watches all featured a more spacious dial with a less controversial date window placed at 6 o’clock instead of the traditional 4:30 position. For those with larger wrists, and larger tastes, the 42mm Primero was a godsend and continues to be sought after especially now that this size has been discontinued from Zenith’s catalog.
Specifications
Brand:
Zenith
Model:
Chronomaster El Primero
Reference:
03.2040.400/26.C496
Year:
2016
Case Number:
348 049
Case Material:
Stainless steel
Diameter:
42 mm
Lug Width:
21 mm
Thickness:
12.8 mm
Lug-to-Lug:
50.6 mm
Dial:
Gray
Lume:
Super-LumiNova
Crystal:
Sapphire
Movement:
Automatic
Caliber:
El Primero 400B
Bracelet/Strap:
Zenith black alligator strap with deployant buckle in medium length (105mm x 70mm)
Max Wrist Size:
Hand model has a wrist size of 6.1 in
Condition
Case: The unpolished case shows obvious signs of wear with many little hairlines and nicks consistent with a watch that has been happily worn over the last 6 years.
Dial, Hands, & Crystal: The gray sunray dial and hands are in excellent condition and the sapphire glasses on case front and case back are clean and scratch-free.
Bracelet/Strap: The black alligator strap is in great condition with minimal signs of wear and fraying. It is in the medium size of 105mm x 70mm.
Performance
Functions: All functions including the crown-winding, time-setting, date-setting, and chronograph start/stop/reset are working as expected.
Service History: The watch has just come back from a full service at Manhattan Time Service completed on 03/18/2022.
What's Included

What's Included
Watch
Zenith Chronomaster El Primero on a black alligator strap.
Box/Papers
Boxes, instructions, and guarantee dated October 2016.
Extras
Service record from Manhattan Time Service dated March 2022.
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Each watch is thoroughly evaluated and guaranteed to be authentic unless explicitly stated otherwise. Prior to any sale, we are happy to provide additional photos or videos of the watch, movement, and accessories at your request. Once you receive the watch, we allow a 72-hour inspection period during which you may return the watch for a full refund if it is misrepresented.
We spend a considerable amount of time researching any watch we plan to source. This includes cross-checking the visual details, case numbers, and movements using examples sold by other reputable dealers and buying guides published by subject matter experts. We set very high standards and will not consider any watch with questionable parts or inconsistencies that cannot be verified elsewhere.
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Condition Grades
We use the following rubric to assign each watch a condition grade that best represents its external appearance.
Timegrapher Readings
These readings were taken on a Weishi No. 1000 timegrapher approximately one hour after fully winding the watch.























