Functions Hours. Minutes. Small seconds at 3 o'clock. Date window. 1/4 second chronograph (large second hand, 30 minute counter, 12 hour counter). Exterior Round case: 45 mm. Thickness: 14.2 mm. Material: steel. Polished and satin finish. Water-resistance: 200 m. Rubber push-pieces. Unidirectional turning bezel. Anti-reflective sapphire crystal. Screwed crown: Ø 8 mm. Case-back engraved with Pershing boat. Individual number engraved on the case-back. Dials 5 variants: “Côtes de Genève” with ring overlaid on counter. Rhodium-plated applied indexes, Delta shaped hands with luminescent coating. Bracelets Steel bracelet, satin-finished central links, safety folding buckle.