Sinn 956 series, User Manual, Page: 30 / 35

30
Mechanical movement
• Calibre Valjoux 7750
• Self-winding mechanism
• 25 bearing jewels
• 28,800 semi-oscillations per hour
• hand adjustment with stop-second
function
• 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
• Meet the technical requirements
for waterproofness, as set out in
standard din 8310
• Water-resistant and pressure resistant up to 10 bar
• low pressure resistant
• Band lug width 22 mm
• Case diameter 44 mm
teChniCal detailS
Model SerieS 917
Functions
• hours, minutes, subsidiary
seconds
• Chronograph
• date display
• Countdown bezel, easy to read
with to-the-second precision in
time trials
• 917 Gr: power reserve indicator
• 917: day of the week display