Chronotimer Series 1 Polished Black 

The timepiece of the first series made by Porsche Design. Sevenfold coated Sapphire crystal. Sapphire case back. Automatic chronograph (caliber ETA-Valjoux 7750) with Porsche Design Icon rotor for highest precision. Stout, polished titanium case and bracelet with black titanium carbide coating. Swiss Made.

Material: Titanium| Finishing: Polished| Crown: Screw-down

Glass: Convex, scratch-resistant, double-sided and 7-layer anti-reflective sapphire crystal
The case back: Screwed, black-tinted sapphire crystal openingWater-resistant: to 5 bar
Dial: Minute, hour, small second at 9 o’clock, chronograph second, 30-minute counter at 12 o’clock, 12-hour counter at 6 o’clock, date window at 3 o’clock, tachymeter scale on the bezel

• Strap: titanium with black titanium carbide coating, folding clasp
• Movement:Caliber: ETA Valjoux 7750
• Rotor: Porsche Design Icon Rotor
• Diameter: 30.00 mm
• Height: 7.90 mm
• Power reserve: 48 hours
• Frequency: 28,800 per hour (4Hz)
• Jewels: 25