Sinn Spezialuhren – Instrument ZM 171 Chronograph Steel 45 mm 2021
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The cockpit wristwatch.
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The Sinn Spezialuhren brand has always stayed true to its roots, ultimately making a name for itself back in the early 1960s with its pilot watches and cockpit clocks. Originally designed for the German Luftwaffe’s Tornado programme in the late 1970s, the Nabo 17 ZM was a cockpit clock with a central minute counter.
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These type of cockpit clocks are still used by the military today in Tornado multirole combat aircraft. They were also used in the F-104 Starfighter, the Breguet Atlantic – a long-range maritime patrol aircraft – and in military helicopters such as the Bölkow Bo 105.Click, to see the large size. ▶ BIG FOTO
- SINN SZ01 chronograph movement
- 60-minute stop function from the dial centre
- Case made of stainless steel, bead-blasted
- Black Hard Coating on a TEGIMENT Technology basis
- Ar‑Dehumidifying Technology ensures greater functional reliability and freedom from fogging
- Sapphire crystal glass
- Interior pilot’s bezel with luminous key mark
- Waterproof and pressure-resistant to 20 bar
- Low pressure resistant
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A special feature of these clocks was the start and reset buttons at the bottom of the case, as well as the easy-to-read orange hands of the chronograph’s central stopwatch display for seconds and minutes.
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The design and style of the Nabo 17 ZM provided the inspiration for model 717. This timepiece also features a central stopwatch display for seconds and minutes in the form of large orange hands, which is created using our time-honoured SINN chronograph movement SZ01.Click, to see the large size. ▶ BIG FOTO
The case houses an interior pilot’s bezel, which can be smoothly operated from the outer diameter of the watch.
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In keeping with its predecessor, the dial is distinguished by its excellent readability – even in the dark or under adverse lighting conditions – thanks to the sapphire crystal glass with antireflective coating on both sides. All in all, and at 45 mm in diameter, the 717 cuts a fine figure.
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Technical details
The Instrument Chronograph ZM 717
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Mechanical Movement
The information on the mechanical movement corresponds to the current production situation in Frankfurt am Main. Due to technical changes, it may happen in individual cases that stock items of our sales partners deviate from this information.
Movement
SINN Movement SZ01
Self-winding mechanism
28 bearing jewels
28,800 semi-oscillations per hour
Seconds stop function
Anti-magnetic as per DIN 8309
Case
Case made of stainless steel, bead-blasted
Sapphire crystal glass in front, anti-reflective on both sides
Case back screw-fastened
Crown screwable
Meet the technical requirements for waterproofness, as set out in standard DIN 8310
Waterproof and pressure-resistant to 20 bar
Low pressure resistant
Functions
Hours, minutes, subsidiary seconds
Chronograph
60-minute stop function from the dial centre
Date display
Interior pilot's bezel with luminous key mark
SINN Technologies
Black Hard Coating on a TEGIMENT Technology basis
Ar‑Dehumidifying Technology enhances functional reliability and freedom from foggin
Dimensions and Weight
Case diameter: 45 mm
Band lug width: 24 mm
Case thickness: 15,3 mm
Weight without strap: 114 gramme
Dial and Hands
Matte black dial
Numbers and indices coated with luminescent colour
Hour, minute, stopwatch minute and stopwatch second hand coated with luminescent colour
Warranty • 3 years
• Price Plus shipping costs VAT incl.
- Leather strap 4.650.00 €
- Silicone strap 4.950.00 €
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Press Release - 2021
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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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