Sinn Spezialuhren 456 TW70 GG

The Sinn 456 TW70 GG, reference 456.040, has a polished steel case 28 mm across, water resistant to 200 metres. The bezel and hour indices are set with diamonds. A sapphire crystal fronts the black electroplated dial with luminous hour and minute hands. Central seconds and a date display run on self-winding calibre SW100. The 9 mm thick case incorporates a see-through back and is resistant to low pressure. The movement is anti-magnetic.