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The duochronograph
The perfect watch for those who love extremes. Leading-edge technology from Sinn make the duochronographs of the 756 series extraordinarily resistant to pressure and high-altitude conditions. At the same time, the closed case interior with the soft iron sheath provides protection against magnetic fields that far exceeds the DIN requirements.
- Stainless steel case with TEGIMENT and dehumidifying technology
- Nickel-free case back
- Magnetic field protection up to 80,000 A/m
- Sapphire crystal glass with anti-reflective coating
- Hands and indices coated with special luminous paint
- Functionally reliable at temperatures from –45 °C to +80 °C thanks to
SINN Special Oil 66-228
- Pressure resistant to20 bar (= 200 m water depth)
- Resistant to low pressure at high altitudes
Technical Data
Model 756
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
- Quick adjustment of date
- Chronograph (stop function)
- Metering range of chronograph: 12 hours
Functions:
- Inactive luminous hands and indices
- Hours, minutes
- Date in dial aperture
- Sweep seconds, 30-minute- and 12-hour-recorder
Case:
- Tempered stainless steel, sand-blasted
- Screwed-on nicklefree case back
- Screw-down crown with flank protection
- Sapphire crystal, antireflective coating on both sides
- Magnetic field protected to 80.000 A/m= 100mT
- Sinn Dehumidifying Technology
- Water resistant according to DIN 8310
- Pressure resistant up to 20 bar = approx 200 m diving depth
Measurements:
- Case diameter 40 mm
- Lug width 20 mm
Guarantee:
- 3 years
Strap:
- Leather or bracelet