Sinn Spezialuhren 903 St II A

The Sinn 903 St II A, reference 903.092, is a chronograph with a 41 mm steel case water resistant to 200 metres. Its grey electroplated dial has sunburst decoration under sapphire crystal, with silver subdials for small seconds and elapsed time. A date display sits among hand-attached hybrid ceramic luminous indices. The case is polished and satinised, 14.5 mm thick, with a see-through back. Calibre LJP L110 winds automatically with a 60-hour power reserve. The rotating logarithmic slide-rule bezel uses DSP Technology for dynamic sealing.