Friday, February 21, 2020

Sinn – 158 BICOMPAX Chronograph Edition















Sinn Spezialuhren Instrument 158 BICOMPAX Pilot Chronograph Limited Edition - 2020

The Traditional Pilot Chronograph

The ‘wristwatch with double stopwatch’ (as it was originally known by the Bundeswehr – the German armed forces – during the 1960s), which was sold only in very limited quantities during the 1980s and early 1990s, is now one of the most sought-after collector’s watches in our company. 

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Company founder Helmut Sinn purchased phased-out inventories of the Bundeswehr (Heuer-Leonidas SA 1550 SG, shortened to Heuer 1550 SG) and sold these after reconditioning with, inter alia, added SINN lettering on the dial under the label ‘Bundeswehr Chronograph for Pilots’ as model 155 Bw. These impressive pilot watches were fitted with a Valjoux 230 hand-wound chronograph movement and a pilot’s bezel.

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The design of the traditional 158 pilot chronograph is in keeping with its predecessor: the bead-blasted case with a diameter of 43 mm, the high-domed acrylic glass, a black, easy-to-use pilot’s bezel manufactured from anodised aluminium and a large, equally comfortable winding crown are distinctly reminiscent of our traditional pilot chronographs.

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For the movement, we placed our trust in the modern, automatic-calibre SW 510 from the Swiss manufacturer Sellita. This enables a horizontal bicompax division and central stopwatch-second display, true to the historic model, with the seconds display at 9 o’clock and the stopwatch minute display at 3 o’clock.

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This movement also offers a date display at 6 o’clock. The stopwatch seconds and minutes hands are brilliant red. Optimum readability is also ensured in the dark, as the numerals, hour and minute hands are coated in luminous white. The 158 is resistant to low pressure and can withstand pressures of up to 10 bar.

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A total of 500 of these traditional 158 pilot chronographs are being produced, each with an engraved limited-edition marking on the case back.

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Technical details

The traditional pilot chronograph

Art-Nr. 103 .010

Movement
Sellita SW 510
• Self-winding mechanism
27 bearing jewels
28,800 semi-oscillations per hour
• Seconds stop function
• Anti-magnetic as per DIN 8309 
Functions
• Hours, minutes, subsidiary seconds
• Chronograph
• Pilot’s bezel with minute scale
Case
• Case made of stainless steel, bead-blasted
• Shock-resistance acrylic glass
• Case back screw-fastened
• Meet the technical requirements for waterproofness, as set out in standard DIN 8310
• Pressure-resistant up to 10 bar
• Low pressure resistant
Dimensions and Weight
• Case diameter: 43 mm
• Band lug width: 20 mm
• Case thickness: 15,15 mm
• Weight without strap: 80 gramme
Dial and Hands
• Matte black dial
• Numbers coated with luminescent colour
• Hour hand, minute hand coated with luminescent colour

Warranty 2 years

Limited to 300 pieces

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Press Release - 2020
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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.facebook.com - Sinn Uhren
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www.Sinn.de

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