Sinn Spezialuhren – 910 Chronograph 55th Anniversary Limited Edition NEW
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To mark its 55th anniversary, German watch brand Sinn is presenting the 910 Anniversary – limited to just 300 pieces and boasting a special technical feature. For in addition to a stopwatch, it also features a split-seconds mechanism for recording intermediate times. This split-seconds hand moves in sync with the second stopwatch hand until the push-piece is pressed at 8 o’clock.
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• Limited edition to 300 units
• Case made of stainless steel, polished/satinised
• Split-seconds function
• Ratchet wheel chronograph, exquisitely decorated
• Double scale for measuring units per hour (e.g. kilometres)
• Sapphire crystal glass on both sides
• Attached appliqué
• Pressure-resistant up to 10 bar
• Resistant to low pressure
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The split-seconds hand then remains in the ‘off’ position to allow you to read the intermediate time. On pressing the push-piece again, the split-seconds hand catches up with the second stopwatch hand and continues to move in sync with it.
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The historical value of an additional feature adds to its appeal. The 910 Anniversary features a ratchet wheel chronograph that stops the time. Timepieces constructed in this way are something of a rarity these days. They are regarded as technically demanding and as an expression of traditional watchmaking, since the ratchet wheel control mechanism has been a key component in traditional chronographs since the mid 1900s.
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While production is extremely complex, the utmost care and precision is required in assembly. Since the ratchet wheel controls the start, stop and reset functions, it is subject to high levels of stress. The highest possible resistance to wear and tear is required in order to make full use of the benefits, for example an easy-to-operate push-piece. The workings of the perfectly synchronised mechanism can be admired through the transparent sapphire crystal back, which provides great aesthetic appeal.
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Thanks to the vintage-look dial and attached appliqué, the chronograph also has a particularly high-quality and exquisite feel. To commemorate the 55th anniversary, the limited-edition number and the years ‘1961–2016’ are engraved on the case back.
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Technical details
Movement
Valjoux 7750
Self-winding mechanism
31 bearing jewels
28,800 semi-oscillations per hour
Seconds stop function
• Shock resistant as per DIN 8308
• Anti-magnetic as per DIN 8309
Case
Case made of stainless steel, polished/satinised
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
Meet the technical requirements for water-proofness, as set out in standard DIN 8310
Pressure-resistant up to 10 bar
Low pressure resistant
Functions
• Hours, minutes, subsidiary seconds
• Chronograph with split-seconds function
• Double scale for measuring units per hour (e.g. kilometres)
SINN Technologies
• Crown and push-pieces with D3-System
Dimensions and Weight
• Case diameter: 41,5 mm
• Band lug width: 22 mm
• Case thickness: 15,5 mm
• Weight without strap: 93 gramme
Dial and Hands
• Matte black dial
• Numbers and indices coated with luminescent colour
• Hour, minute and second hand coated with luminescent colour
Warranty
2 years
Limited edition to 300 units
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SINN SPEZIALUHREN GMBH
Im Füldchen 5–7 • 60489 Frankfurt am Main
• Tel. +49 (0)69 / 97 84 14-0
• Fax +49 (0)69 / 97 84 14-201
• info@sinn.de
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www.Sinn.de
