Sinn 103 A Sa

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Main Article: Sinn 103

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

The model 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.


Self-winding movement Valjoux 7750 in chronometer quality


Stainless steel, polished
Ø 41 mm, height 16.5 mm
Sapphire crystal oben; screw-down caseback with sapphire crystal; both sapphire crystals 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


Hands and indexes coated with highest luminosity


Optional with massive stainless steel bracelet, black leather strap with alligator embossing or cowhide leather strap