Longines Sector Dial

The Longines Sector Dial, reference L2.828.4.53.2, has a 38.5 mm round case in steel. Polished silvered hands appear alongside painted Arabic numerals and indexes on the black dial. Case dimensions include a thickness of 11 mm and a lug-to-lug length of 47.6 mm; water resistance is rated to 30 metres. Self-winding calibre L893.5 has up to 72 hours of power reserve and beats at 25,200 vibrations per hour. A brown calf leather strap with a calf leather underside closes with a pin buckle. The dial incorporates small seconds. Over the dial is a scratch-resistant sapphire crystal, with several layers of anti-reflective coating on the underside.