Sinn Spezialuhren 456 St Mother-of-pearl W

The Sinn 456 St Mother-of-pearl W, reference 456.015, has a polished steel case 28 mm in diameter, water resistant to 200 metres. The mother-of-pearl dial has hour appliques attached by hand. Beneath a sapphire crystal, the display includes central seconds and a date. Calibre SW100 operates with automatic winding. A see-through back closes the 9 mm thick case, which resists low pressure. The movement is anti-magnetic.