====== Sinn 103 A Sa ======
{{wst>image_cr|Sinn|103 A Sa}}

  *Main Article [[Sinn 103]]

The **103 A Sa** is a [[pilot's chronograph]] by [[Sinn]].

The model [[Sinn 103 St|103]] (called "der klassische Fliegerchronograph") by Sinn, here as edition with white [[totaliser]] fields in black dial, flyers bezel with inlay of black anodized aluminum and a black leather strap with alligator embossing.

See also [[Sinn 103 Ti Ar]].


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**Movement:**
  * [[Self-winding]] movement [[Valjoux 7750]] in [[chronometer]] quality

**Case:**
  * [[Stainless steel]], polished
  * Ø 41 mm, height 16.5 mm
  * [[Sapphire crystal]] oben; screw-down caseback with [[sapphire crystal]]; both [[sapphire crystal]]s with [[anti-glare treatment]] on both sides
  * Undetachable [[stainless steel]] turning [[bezel]] with minute ratcheting
  * [[Screw-in crown]] and pushers
  * [[Waterproof]] to 200 m
  * Safe below atmospheric pressure
  * Optional with Ar dehumidifying technology

**Dial:**
  * Hands and indexes coated with highest luminosity

**Bracelet:**
  * Optional with massive [[stainless steel]] bracelet, black leather strap with alligator embossing or cowhide leather strap
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{{tag>Watch_models Chronographs Sinn_Pilot's_Watch_models Sinn_Instrument_Chronograph_models}}