Sinn Spezialuhren 456 St Mother-of-pearl B

The Sinn 456 St Mother-of-pearl B, reference 456.016, has a 28 mm polished steel case water resistant to 200 metres. Roman numeral appliques are attached by hand to the mother-of-pearl dial. Under a sapphire crystal, luminous hour and minute hands share the display with central seconds. The watch also displays the date. The 9 mm thick case incorporates a see-through back and resists low pressure. Self-winding calibre ETA 2671 has shock resistance.