Sinn R500 – The racing stopwatch made of high-strength titanium

Text: Press
Photo: Sinn Spezialuhren GmbH

Back to the past, the Model R500 represents an analogy to the traditional stopwatch and motorsport.

A historical model returns: with the Model R500 limited to 300 pieces, we’re presenting a racing stopwatch with this extraordinary design in our range for the first time in many years. What sets this watch apart visually is the position of the crown at 12 o’clock and the push-pieces at 11 and 1 o’clock. The tachymeter scale on the interior bezel is used to measure speeds. With the power reserve indicator at 12 o’clock, you can always see whether the timepiece is ready to go. The displays for hour, minute and subsidiary second and the stop functions for 12 hours, 30 minutes and 60 seconds are mounted in the centre for high-precision time measurement.

SINN R500 F LB min

The unusual positions of the crown and push-pieces – also known as the “bullhead chronograph” due to the appearance of a bull’s head – requires an extremely demanding case construction. The dial slopes downwards from top to bottom and is thus angled towards the wearer, who can conveniently adjust the crown and push-pieces at the wrist.

SINN R500 Seite K quer min

The satinised case itself is made of high-strength titanium (Grade 5), which underlines the technical and contemporary interpretation of the watch and ensures a comfortable fit. The R500 is equipped with a black cowhide strap with red seam integrated into the case. The recessed strap embossing pays homage to the hole pattern design so common in motorsport.

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Sinn R500 Chronograph Limited Edition

Movement: Mechanical – Valjoux 7750 – Self-winding mechanism – 25 bearing jewels – 28,800 semi-oscillations per hour – seconds stop function – anti-magnetic as per DIN 8309
Case: made of high-strength titanium, satinised – sapphire crystal glass in front – anti-reflective on both sides – case back screw-fastened – standard DIN 8310 – waterproof and pressure-resistant up to 20 bar – low pressure resistant
Functions: Hours, minutes, subsidiary seconds. Chronograph, Date display, Interior tachymeter scale up to 500 km/h, Power reserve indicator
Dimensions and Weight: case diameter 42 mm – band lug width 24 mm – case thickness 16 mm at 12 o’clock and 13 mm at 6 o’clock
Dial and Hands: Matte black dial – indices coated with luminescent colour -hour and minute hand coated with luminescent colour
Warranty. 2 years

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