Sinn Spezialuhren 456 St GG A

The Sinn 456 St GG A, reference 456.021, combines a 28 mm steel case with a polished yellow gold bezel. The polished case has a see-through back and measures 9 mm thick, water resistant to 200 metres. The white dial displays a date and central seconds through a sapphire crystal. Its hour appliques are fitted by hand. The hour and minute hands are luminous. Self-winding calibre ETA 2671 is shock resistant and anti-magnetic.