Worn twice. The Worldmaster 1888 GMT by Atlantic, established that year in Switzerland, pays homage to one of the company’s earliest best sellers. SPECS Atlantic Movement: Automatic Movement reference: 2893-2 Movt manufacturer: ETA Case thickness: 11.7 mm Case material: Stainless steel Crystal material: Sapphire crystal Case Back: See-through Dial markers: Index and Arabic numerals Water resistance: 50 m (164 ft) Power reserve: 42 hrs Case width: 42 mm Case thickness: 11 mm Lug width: 21 mm