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This pilot watch ensures that you'll never lose your bearings, whether in the wild blue yonder or on the ground. Its captive rotating bezel developed by Sinn – is securely fastened to the case and can be rotated on both sides. This watch is ideal for measuring and monitoring time intervals.
- Case made of bead-blasted stainless steel
- Magnetic field protection up to 80,000 A/m
- Captive rotating pilot's bezel with minute ratcheting
- Sapphire crystal glass with anti-reflective coating on both sides
- Nickel-free case back
- Pressure-resistant to 20 bar (= 200 m water depth)
- Resistant to low pressure at high altitudes
Technical Data
Model 657
Movement:
- ETA 2824-2
- 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 date
Functions/Display:
- Inactive luminous hands, indices and numbers
- Hours, minutes, seconds
- Date in dial aperture
Case:
- Stainless steel, sand-blasted
- Screwed-on stainless steel case back
- Screw-down crown with flank protection
- Scratch resistant sapphire crystal, antireflective on both sides
- Magnetic field protected up to 80.000 A/m = 100 mT
- Water resistant according to DIN 8310
- Pressure resistant up to 20 bar = approx 200 m water depth
Measurements:
- Case diameter 41 mm
- Lug width 20 mm
Guarantee:
- 2 years
Strap:
- Leather or bracelet