Zenith 03.0510.4021/01.C492

For those who enjoy the beauty of Swiss traditional watchmaking, there is the Zenith 03.0510.4021/01.C492. A handsome mechanical automatic timepiece that is core powered by the manufacture caliber El Primero 4021H, presented in an elegantly fashioned stainless steel on leather construction that features a masculine 40mm case with partially open worked dial and transparent caseback.


Among Zenith’s premium timepieces, this intriguing wrist watch lined as one of the Class El Primero T Open series for gents. Of course, as expected from the renown watchmaker, behind its aesthetic, there are carefully selected materials and components that are finely executed with such precision craftsmanship to ensure that the watch’s beauty, as well as its sophisticated offerings would remain as is for years to come.

This Zenith 03-0510-4021-01-C492 Class El Primero’s case that is made of premium grade stainless steel has a diameter of 40mm and approximately 15mm thick, which is not too large for ladies who are going for this kind of timepiece as an oversized wrist accessory. The bracelet that is made of genuine alligator leather is supple and supportive, measures around 22mm wide, and it comes equipped with an adjustable deployant folding clasp for convenient fitting.

Allowing you to take a good look at its finely executed Zenith’s caliber El Primero 4021H inside, the back of the case features sapphire display, while its Silver dial is open worked at the 10 o’clocks position to shows you the heart of the movement.

The caseback is securely held in place by six screws, and as usual, is engraved with markers. At the other side, its face is also features a curved sapphire glass, which treated to be more scratch resistant to makes it even more durable, and enhanced with an anti-reflective coating for an improved visibility. And at the case’s right hand side, there lays fluted steel non-screw crown that is logoed with the brand’s emblem signature, accompanied by two handy pusher for the watch’s chronograph functions. For practical sake, its whole construction is watertight to 50 meters so that it wont be harmed by slight wetness, splashes, and even light rain, nor fog through time and use.

Even without that open work, this Class El Primero Zenith 03.1125.691/02.C490 watch’s dial itself is gorgeous. Bright in Silvered White and has a nice layout arrangement which despite of its complication, still maintains a nice degree of read-ability.

On the dial, there are Silver tone faceted hour and minute hands, a matching central sweep seconds hand, and a central mounted power reserve skeletonized hand in Rose Gold finish. Along the periphery, there are ten Rhodium hand-mounted applique Arabic numeral hour markers and two arrows --that substituting the 10 & 11, complimented by painted Black minute markers. And within, in addition to the open work at ten, there are 30-minute counter at the 3 o’clock position, Power reserve indicator at the 6 o’clock position, Small seconds subsidiary with a 3-branched hand at the 9 o’clock. [image]

Speaking a bit about the movement, the El Primero 4021H is Zenith’s own Le Locle mechanical manufacture movement. For a chronograph, this 248-parts calibre is slim enough at less than 8 mm thick, and performance wise, it is a Chronometer grade with an official certification from COSC so that you can be confident about it. This 13 lignes self-winding 39 jewels movement beats at an amazing rate of 36,000 alterations per hour, and provides more than 50 hours of power reserve. The chronograph function of this caliber Zenith El Primero 4021H is capable of measures short time intervals to a 10th of a second. And specifically, the one fitted in this watch has a stamped metal oscillating weight that is decorated with with “Côtes de Genève” pattern.

Overall, the Zenith 03-0510-4021-01-C492 watch is indeed stylish. Its brushed and polished case, combined with the Black alligator-skin strap and the gorgeous Silvered White dial lends a lovely versatility that allowing you to wear the watch for either casual or formal occasion. Its ergonomic design makes it comfortable to wear, while its 50 m water resistance simply makes the timepiece even more practical to be worn daily. Furthermore, its COSC certified El Primero 4021H movement is also remarkable as well.

Anyway, for all of its quality offerings, this men’s Stainless steel on Black crocs leather Silvered dial Zenith El-Primero T Open 03.0510.4021/01.C492 chronograph automatic watch is reasonably priced with an original manufacturer suggested retail price of $8,100.00.

Watch Specification

Brand:	Zenith
Collection:	Class El Primero
Series:	T Open
Model number:	03.0510.4021/01.C492 Ref. 03-0510-4021-01-C492. also referred as 030510402101C492.
Watch style:	Gents, Dress, Elegant, Contemporary
Display type:	Analog
Movement:	Swiss automatic Zenith El Primero 4021H. In house, Le Locle mechanical manufacture calibre El Primero 4021 H that is developed, built and workshop-crafted by Zenith. Swiss made, automatic self-winding mechanical movement. Chronometer grade certified by C.O.S.C. Specs Functions: Three hands, Chronograph with up to 1/10 a seconds accuracy, Small seconds, Power reserve indicator from hour axis. Size: 13‴ lignes (Ø 30.5 mm), 7.75 mm thick. Consists of 248 parts. 39 jewels. beats at 36,000 vph (5 Hz). provides ± 50 hours of power reserve. Bi-directional winding. Central rotor on ball bearings. Shock resistant. “Zenith Star El Primero” decorated rotor, oscillating weight with “Côtes de Genève” pattern.
Functions:	Hour, Minute, Small Seconds, Chronograph, Power Reserve
Dial:	Silvered Partially open worked Silvered White dial that shows the “heart” of the El Primero caliber at 10 o’clock. Rhodium faceted hour and minute hands. 18kt rose gold power reserve hand, with black nickel coating. Rhodium hand-mounted applique, ten Arabic numeral and two arrows hour markers. painted Black minute markers around the outer rim. 30-minute counter at 3. Power reserve indicator at 6. small seconds with a 3-branched hand at 9.
Window:	Sapphire Crystal scratch resistant, anti-reflective coated on both sides.
Case:	Stainless Steel Round, Ø 40 mm w/o crown, 47 mm lug to lug, ± 15 mm thick. high polished with satin finished horn.
Bezel:	Stainless Steel stationary bezel. mirror polished.
Caseback:	See-thru stainless steel with sapphire display. secured with 8 screws, engraved.
Crown:	Non-screw crown Stainless Steel. fluted. logoed. with two steel pushers alongside.
Bracelet:	Alligator / Crocodile leather Black, textured pattern. Handmade, features silky Alzavel calfskin and tonal stitching. ± 22 mm wide. men standard length.
Clasp:	Deployant folding clasp Stainless Steel, stamped, adjustable.
Notable Features:	Calendar Chronograph Open-worked dial Transparent exhibition caseback
Water resistant:	50 m (5 ATM / 165 feet) daily wear, capable to withstand splashes of water and very light rain.
Additional info:	-