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The traditional pilot chronograph
Uncompromising functionality – even under the most demanding conditions: the pilot's chronograph, which reflects the design of cockpit instruments, is in keeping with the Sinn tradition. In the early days, the company founder developed traditional airplane cockpit clocks for use in flight.
- Case made of polished stainless steel
- Traditional pilot's chronograph
- Crystal and glass back made of sapphire crystal, also equipped with captive stainless steel pilot’s bezel with minute ratcheting
- Screw-fastened, doubly sealed crown
- Resistant to low pressure at high altitudes
- Pressure-resistant to 20 bar (= 200 m water depth)
Technical Data
Model 103 ST SA
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
- Countdown bezel with minute division and luminous point
Case:
- Stainless steel, polished
- Screwed-on sapphire crystal case back
- Screw-down crown with flank protection and screw-down buttons
- Scratch resistant, domed acrylic crystal
- Water resistant according to DIN 8310
- Pressure resistant up to 20 bar = approx 200 m water depth
Measurements:
- Case diameter 41 mm
- Lug width 20mm
Guarantee:
- 2 years
Strap:
- Leather or bracelet