Montblanc Timewalker Date Automatic. 42mm stainless steel watch comes on a brown alligator strap with a steel pin buckle. The dial is white with blue arabic numerals & stick markers, and the date aperture is located at the 6 o'clock position. The automatic movement calibre MB 24.09 has 25 jewels and a power reserve of approximately 42 hours. Water resistance to 30 meters.