Sinn Spezialuhren 356 Sa GR

The Sinn 356 Sa GR, reference 356.077, is a chronograph with a satinised 38.5 mm steel case. The 15 mm thick case has a see-through back and is water resistant to 100 metres. A power reserve indicator and date appear on the matt black dial beneath a highly curved sapphire crystal. Small seconds occupy a subsidiary display. The self-winding calibre Valjoux 7750 is shock resistant and anti-magnetic. The movement decoration includes blued screws.