Sinn 103 St

File:Sinn 103 St.jpg

Sinn 103 St

File:Sinn 103 St Ty.jpg

Sinn 103 St Ty

Main Article: Sinn 103

The 103 St is a pilot's chronograph by Sinn.

Among the well-known and popular, because also very low-priced models of Sinn this model 103 St, called "der klassische Fliegerchronograph" (the classic aviator chronograph), can be counted. It has automatic winding, plexiglass, a high-gloss polished stainless steel case and optional solid bracelet or leather strap.

See also: Sinn 103 A Sa, Sinn 103 Ti Ar.

Movement: Self-winding movement Valjoux 7750, 28,800 A/h 25 jewels Case: Stainless steel, polished D 41 mm, H 15.5 mm Model 103 St: black pilot's bezel Model 103 St Ty: inner tachymeter/pulsometer scale Acrylic glass; for an additional charge: sapphire crystal with anti-glare treatment on both sides Screw-in caseback; screw-in crown, double sealed Waterproof to 200 m Safe below atmospheric pressure Dial: Black dial Hands and numerals with highest luminosity Bracelet: Solid stainless steel bracelet with extension or dark brown or black leather strap