The Sinn 903 St Chronograph (reference 903.ST) is a 41mm stainless steel with a automatic movement and 100m of water resistance. It carries a black dial. Its original retail price (MSRP) was $3,290.
Confirmed secondary-market sales WristWorth has tracked for this reference.
104 St Sa
104.ST.SA
104 St Sa Blue
104.ST.SA.IB
104 St Sa Bracelet
104.ST.SA.A
140 Space Chronograph
140.ST.B
144 St Sa Chronograph
144.ST.SA
240 St
240.ST

356 Flieger Chronograph III
356.SA.FLIEGER.III
356 Pilot Chronograph
356.SA
The Sinn 903 St Chronograph (reference 903.ST) had an original retail price (MSRP) of $3,290. Secondary-market values vary with condition and availability.
The 903.ST runs a automatic movement, with roughly 42 hours of power reserve.
The 903.ST has a 41mm Stainless Steel case, water resistant to 100m, with a black dial.
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