Chronograph Watch - Model 303

The automobile driver’s chronogrpah

Technical Data
Model 303

Movement:
- Valjoux 7750
- Mechanical lever movement with self-winding mechanism
- 25 jewels and 28.800 vibrations per hour
- Antimagnetic according to DIN 8309
- Shock resistance according to DIN 8308
- Hand setting with second hand stop
- Quick adjustment of day and date
- Chronograph (stop function)
- Metering range of chronograph: 12 hours

Display/Functions:
- Inactive luminous hands and numerals
- Hours, minutes, seconds
- Date and day in dial aperture
- Sweep seconds, 30-minute recorder and 12-hour recorder
- Tachymeter scale until 500 km/h, marking of speed indices in red according to speed code for car tires
- Presentation of speed code on case back

Case:
- Stainless steel, polished/calendered
- Screwed-on case back
- Screw-down crown with flank protection and protected buttons
- Domed sapphire crystal, antireflective on inside
- Water resistant according to DIN 8310
- Pressure resistant up to 20 bar = approx 200 m water depth

Measurements:
- Case diameter 44mm
- Lug width 20 mm

Guarantee:
- 2 years

Strap:
- Leather or bracelet