Sinn Spezialuhren 456 St GG Mother-of-pearl W

The Sinn 456 St GG Mother-of-pearl W, reference 456.025, has a 28 mm steel case with a polished yellow gold bezel. The mother-of-pearl dial displays central seconds and a date through a sapphire crystal. Its hour appliques are attached by hand. Polishing finishes the 9 mm thick case with its see-through back, water resistant to 200 metres. Automatic calibre SW100 is anti-magnetic. The case is resistant to low pressure.