Sinn 917 GR, Instructions For Use Manual

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Mechanical Movement
• Calibre valjoux 7750
• Self-winding mechanism
• 25 bearing jewels
• 28,800 semi-oscillations per hour
• Shock resistant as per din 8308
• anti-magnetic as per din 8309
Watch Case
• Stainless steel, polished
• Sapphire crystal glass in front,
anti-reflective on both sides
• transparent case back made of
sapphire crystal glass,
anti-reflective on the interior
• Case back screw-fastened
• ar-dehumidifying technology
• Water-resistant as per din 8310
• Water-resistant and pressure resistant
up to 10 bar (= 100 m underwater depth)
• low pressure resistant
• band lug width 22 mm
• Case diameter 44 mm
teChniCal detailS 917 gr
Functions
• hours, minutes,
subsidiary seconds
• Chronograph
• date display
• power reserve indicator
• Countdown bezel, easy to read
with to-the-second precision in
time trials