Sinn Spezialuhren 105 St Sa

The Sinn 105 St Sa, reference 105.010, is a GMT watch with a bead-blasted steel case measuring 41 mm. Orange accents mark the matte black dial under sapphire crystal. A captive multifunctional bezel rotates both ways with minute ratcheting. The date and weekday display offers English or German text. Calibre SW220-1 winds automatically. The case measures 11.9 mm thick, includes a see-through back and is water resistant to 200 metres. Luminous hands and indices indicate the time alongside central seconds.