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TECHNICAL DETAILS 857/857 S
Mechanical Movement
• Calibre SW300-1
• Self-winding mechanism
• 25 bearing jewels
• 28,800 semi-oscillations per hour
• Shock resistant as per DIN 8308
• Anti-magnetic as per DIN 8309
Functions
• Hours, minutes, seconds
• Date display
• Pilot's bezel with luminescent key mark
SINN Technologies
• Ar-Dehumidifying Technology
• Magnetic Field Protection up to
80,000 A/m
• Case made with TEGIMENT Technology
• Captive bezel
• 857 S: Case made with TEGIMENT
Technology and Black Hard Coating
Watch Case
• Stainless steel
• Crown screwable
• Sapphire crystal glass in front,
anti-reflective on both sides
• Case back screw-fastened,
nickel-free
• Water-resistant as per DIN 8310
• Water-resistant and pressure
resistant up to 20 bar
(= 200 m underwater depth)
• Low pressure resistant
• Band lug width 22 mm
• Case diameter 43 mm
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