Breitling Navitimer Automatic 41mm | A17326241B1A1Case: Diameter: 41 mm. Thickness: 10 mm. Polished stainless steel case. Bidirectional, slide rule crown. Non screw locked crown, two gaskets. Cambered sapphire crystal, glareproofed both sides. Dial: Black dial with a fine sunray finish. Black dial flange with Tachymeter scale. Applied index hour markers. Fine printed minutes seconds track. Polished hands, the hour and minutes hands with luminous fill. Date window located at the 6 o'clock position.