====== Sinn 303 ======
{{wst>image_r|Sinn_303|Sinn 303}}
{{wst>image_r|Sinn_303_Silber_Ty|Sinn 303 Silver Ty}}
{{wst>image_r|Sinn_303_Silber_12|Sinn 303 Silver 12}}
**Sinn 303** is a model range of motorist [[chronograph]]s by [[Sinn]] until [[2012]].

===== References =====
  * 303 (-2012)
  * 303 AvD (2001-2008)
  * 303 Corvette (2001-2004)
  * 303 Fußballchronograph (2006)
  * 303 KRISTALL (-2000)
  * 303 M-kmh (2006-2008)
  * 303 M-mph (2006-2008)
  * 303 RX-8 (2004-2008)
  * 303 Silver 12 (2003-2012)
  * 303 Silver Ty (2003-2011)


<WRAP ud ud_mod>

**Movement:**
  * [[Self-winding]] movement [[Valjoux 7750]], 28,800 A/h
  * 25 [[jewels]]
  * [[Nivarox]] 1 hairspring, [[Glucydur]] [[balance wheel]], Berylium plateau
  * [[Mainspring]] Nivaflex 1, [[Incabloc]] [[shock protection]]
  * [[Shock proof]] according to DIN 8308
  * [[Anti-magnetic]] according to DIN 8309

**Case:**
  * [[Stainless steel]], DIN material No. 4435, polished, tachymeter ring [[satin-finished]]
  * Ø 41 mm, height 16.5 mm
  * [[Sapphire crystal]] oben, with [[anti-glare treatment]] on the inside; screwed bottom
  * Undetachable [[stainless steel]] turning [[bezel]] with minute ratcheting
  * [[Screw-in crown]] with double O-ring seal, pushers with double O-ring seal
  * [[Waterproof]] to 200 m
  * Safe below atmospheric pressure

**Dial:**
  * Black / silver galvanised, [[guilloché]], indexes coated with special long-lasting, luminous paint, fine minute scale
  * External [[Tachymeter]] dial ring with black engraving, maximum speed limits for vehicle tires in red
  * Model 303 Silver 12 External 12 hours ring with black engraving
  * Dates at 3 o'clock, day of the week in German at 3 o'clock
  * [[Chronograph]] Central second, minute in [[totaliser]] (at 12 o'clock), hour in [[totaliser]] (at 6 o'clock), stop time max. 11 hours, 59 minutes and 59 seconds

**Bracelet:**
  * Black Russian leather strap with polished [[stainless steel]] clasp
  * Optional with massive [[stainless steel]] bracelet and milled [[folding clasp]], additional 30 mm Overall prolongation

**Warranty:**
  * 2 years
</WRAP>

{{tag>Watch_models Chronographs Sinn_Instrument_Chronograph_models}}