Porsche Design Chronograph 1: Titanium Tool Reimagined

When Professor Ferdinand Alexander Porsche designed the first Chronograph I in 1972, he wasn't trying to make a luxury item. He was building a tool. Inspired by the anti-glare, high-contrast gauges of a Porsche 911 cockpit, he created the world's first all-black watch, prioritizing function above all else. Now, Porsche Design is revisiting that history, not with black PVD, but with the cool, matte gray of pure titanium. The Chronograph 1 — All Titanium Numbered Edition is a direct descendant of that functionalist philosophy. It channels a specific 1975 version that paired a black dial with uncoated steel, while updating the entire package to modern engineering standards. At its core is Porsche Design's COSC-certified calibre WERK 01.140, a full titanium case and bracelet, and a price tag of $8,250. This isn't simply a retro reissue—it's an evolution of an idea. It takes the original's uncompromising legibility and purpose-built ethos and expresses it through titanium, one of the most widely respected materials in modern tool-watch construction. Each watch is handcrafted at Porsche Design's watch manufacture in Grenchen, Switzerland, reflecting the same engineering-first philosophy that defines the brand's automobiles.

The Porsche Chronograph 1 — All Titanium Numbered Edition

The story of this watch begins with its revolutionary predecessor. Introduced in 1972, the original Chronograph I became the world's first all-black wristwatch, using a black-coated steel case to minimize reflections and improve readability. This new edition achieves a similar goal through a different approach: a glass bead-blasted titanium finish that naturally produces a uniform, low-reflective matte surface. The design also pays tribute to a lesser-known 1975 Chronograph I variant that paired its signature black dial with an uncoated steel case, now reimagined entirely in titanium.

A Case Built from Pure Function

The case measures a wearable 40.8mm in diameter and 14.15mm thick, offering balanced proportions for an automatic chronograph. The entire watch—including the case, screw-down crown, pushers, and integrated bracelet—is crafted from glass bead-blasted titanium. Titanium's appeal goes beyond weight savings. It is exceptionally strong for its weight, naturally corrosion resistant, and hypoallergenic, making it an excellent material for a daily-wear sports watch. Water resistance is rated at 10 bar (100 meters), making the Chronograph 1 suitable for swimming and everyday use. This level of engineering goes beyond a simple water-resistance rating and highlights the precision of the case construction and sealing system.

The Engine: Porsche Design Calibre WERK 01.140

Inside beats Porsche Design's calibre WERK 01.140 automatic chronograph movement. Officially certified by the Contrôle Officiel Suisse des Chronomètres (COSC), every movement undergoes independent testing over 15 days in multiple positions and temperatures to verify an average daily accuracy of between -4 and +6 seconds. COSC certification remains one of the most widely recognized independent accuracy standards in Swiss mechanical watchmaking. The movement runs at 28,800 vibrations per hour (4Hz) and delivers a 48-hour power reserve. Visible through the sapphire exhibition case back is Porsche Design's signature PD Icon rotor, providing a distinctive finishing touch while automatically winding the movement throughout the day.

Uncompromising Legibility

The dial remains faithful to the original Chronograph I concept. A matte black background contrasts sharply with bright white indices and hands, echoing the high-visibility dashboard instruments that inspired Ferdinand Alexander Porsche more than five decades ago. A day-date display sits neatly at 3 o'clock, while the chronograph uses the familiar three-register layout with subdials positioned at 12, 6, and 9 o'clock. Protecting the dial is sapphire crystal treated with a seven-layer anti-reflective coating on both sides, minimizing glare and helping the crystal virtually disappear under many lighting conditions. The fully integrated titanium bracelet flows seamlessly into the case and secures with a folding clasp featuring fine adjustment for a more precise fit. Porsche Design's quick-change system also allows the bracelet to be removed without tools, making it easy to switch to compatible straps. Because this is a Numbered Edition, production is limited to a maximum of 1,000 watches annually, adding an element of exclusivity while stopping short of a fixed one-time production run.

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Porsche Design Chronograph 1 — All Titanium Numbered Edition Specs

Case	40.8mm × 14.15mm, glass bead-blasted titanium
Movement	Porsche Design calibre WERK 01.140, automatic, COSC-certified chronograph
Power Reserve	48 hours
Frequency	28,800 vph (4 Hz)
Crystal	Sapphire with seven-layer anti-reflective coating on both sides
Water Resistance	10 bar (dynamically water-resistant)
Bracelet	Glass bead-blasted titanium with folding clasp and fine adjustment
Production	Numbered Edition, maximum of 1,000 pieces produced annually
Price	$8,250 USD