The Day Date Quartz version has a solid case back giving a cheeky nod to New York drain covers. The straight line architecture on the dial is visually stretched out onto the central part of the leather strap, recalling the skyscrapers on Broadway. REFERENCE H43311735 STRAP REF. H600.433.100 STRAP MATERIAL Black Leather CALIBER ETA 955.122 Quartz 40 mm 8.77mm Stainless Steel 20 mm