The Sinn U1 (reference U1) is a 44mm submarine steel with a automatic movement and 1000m of water resistance. It carries a black dial. Its original retail price (MSRP) was $2,390.
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 U1 (reference U1) had an original retail price (MSRP) of $2,390. Secondary-market values vary with condition and availability.
The U1 runs a automatic movement, with roughly 38 hours of power reserve.
The U1 has a 44mm Submarine Steel case, water resistant to 1000m, with a black dial.
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