Zenith’s De Luca Mk3 02-0310-400 is one of those rare chronographs that doesn’t just sit in a collection — it elevates it. In true Chrono Duo style, here’s why this porcelain effect white-dial Mk3, complete with its original metal bracelet, is a sleeper icon that discerning collectors quietly seek out.

At first glance, the De Luca Mk3 is charmingly restrained. But look closer, and the magic reveals itself. The crisp white dial — a perfect canvas for Zenith’s signature tri‑register layout — gives the watch a purity and balance that few vintage chronographs achieve. The black sub‑dials pop with just the right amount of contrast, delivering that classic “reverse panda” energy without shouting for attention.

The Mk3’s proportions are spot‑on. At 40mm, it wears with modern confidence while retaining the unmistakable charm of late‑80s/early‑90s Zenith design. The polished steel case catches light beautifully, and the original metal bracelet completes the look with a period‑correct presence that collectors adore. This isn’t a watch that needs to be explained — it speaks fluently in the language of vintage cool.

Of course, the real story is inside. The El Primero calibre 400 is one of horology’s most celebrated movements — the high‑beat chronograph that refused to die, survived the quartz crisis, and ultimately became the engine behind some of the most important watches ever made.

In the De Luca Mk3, the 400 is showcased exactly as it should be: honest, robust, and ready for decades more service. It’s a movement that rewards the collector who actually wears their watches. The crisp reset, the buttery sweep of the seconds hand, the unmistakable 36,000 bph hum — it’s mechanical poetry.

The De Luca line has been gaining serious traction among enthusiasts who appreciate Zenith’s heritage beyond the obvious El Primero references. The Mk3, in particular, hits a sweet spot for authenticity, and is recognised by its “sleeved” pushers, original porcelain-effect dial (with dot indices), original bracelet, and original charm. For wearability — a vintage chronograph that feels modern on the wrist. For rarity — produced in small numbers (it is thought only 3- 400 white-dial Mk3s were produced!) and increasingly hard to find in clean, unmolested condition. And finally, for value — a genuine El Primero icon without the price tag of the usual suspects.

This porcelain-effect white‑dial Mk3 is exactly the kind of piece that quietly becomes a favourite — the watch you reach for more often than you expected, the one other collectors nod at knowingly.

If you’re looking for a Zenith that blends heritage, design purity, and mechanical excellence, the De Luca Mk3 02‑0310‑400 is a standout choice. It’s elegant without being fragile, sporty without being loud, and historically significant without being overexposed. It is widely thought that only 800-1200 De Luca Mk3s were made, including both the black and white dials. White dials are much rarer, with production roughly split with a 2:1 black-to-white ratio!!

In short: this is a chronograph with character and a “proper watch for proper collectors.”

We work hard to ensure you are pleased with your purchase, both before and after the sale. Contact us to request any additional information.

Dispatch:

We aim to dispatch items within 1-2 days receipt of payment.

The delivery method can vary depending on the value of the watch. All watches are sent fully insured usually using UPS.

All watches sold without an original box will still be dispatched with a high quality presentation box.

Warranty

All timepieces purchased from us come with a guarantee of authenticity and our 12-month time-keeping warranty. Please note that accidental damage or damage to the item resulting from third-party repairs, improper handling, or liquid damage will void our warranty. We do not guarantee any of our watches to be waterproof.