Mido Commander 1959 Chronometer All technical details Certification: Chronometer certificate from the COSC Movement: Automatic with calibre "ETA 2836-2" Watch casing: Stainless steel (silver-coloured) Watch glass: Hesalite glass Casing back Stainless steel base Crown: stainless steel grooved Bezel: stainless steel (silver-coloured) Dial: index Strap: stainless steel, woven (silver-coloured) 11 + 11 cm Clasp: folding clasp, stainless steel Calendar: date (calendar day) and weekday Lighting: luminous indices and luminous hands Half oscillations: 28,800 half oscillations per hour Power reserve: 38 hours Functions: minute hand, second hand, hour hand Water resistance: 5 bar (50 m) Height of the casing: 10.5 mm Diameter of the casing: 37 mm Weight: approx. 85 grams