• Exclusive special edition for the specialist watch magazine Revolution
• Limited to 150 pieces
• Case made of stainless steel, bead-blasted
• Pilot's bezel
• Shock-resistant acrylic glass
• Solid case back
• Pressure-resistant to 10 bar
• Low pressure resistant
  
  
• Watch including black leatherunderlay strap and beige textile strap

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In tandem with the specialist watch magazine Revolution, we are presenting the 150-unit, special-limited-edition 155 Revolution, with its historically inspired design.

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

Back then, the company purchased phased-out watches from the 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 with flyback function were fitted with a Valjoux 230 handwound chronograph movement and a pilot’s bezel.

The design of the 155 Revolution is consistent with this historic model: the beadblasted case with a diameter of 43 mm, the convex acrylic glass, the grey pilot’s bezel manufactured from anodised aluminium, and the ivory coloured luminous gauge on the dial and hands, are distinctly reminiscent of the pilot-chronograph tradition. Even with the black, leather underlay strap with the stamped supply number, we have stayed true to the original model. Moreover, the 155 Revolution is available with a beige textile strap, which colour-blends perfectly with the ivory luminous paint.

As a symbol of the cooperation with the specialist watch-magazine, Revolution, the matt-black dial is adorned with a discreet, shiny-black ‘Revolution star’. In selecting the watch mechanism, we placed our trust in the modern, automaticcalibre 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.

• Mechanical Movement
• • SW 510
  • Self-winding mechanism
  • 27 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
  • Acrylic glass in front
  • 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

• Functions
• • Hours, minutes, subsidiary seconds
  • Chronograph
  • Pilot’s bezel with minute scale

• Dimensions and Weight
• • Case diameter: 43 mm
  • Band lug width: 20 mm
  • Case thickness: 15,15 mm
  • Weight without strap: 74 gramme

• Dial and Hands
• • Matte black dial with shiny-black 'Revolution star'
  • Numbers coated with luminescent colour
  • Hour hand, minute hand coated with luminescent colour

• Warranty
• • Warranty period 2 years
    Go to the warranty statement for this product