The Longines Master Collection is unique for their intrinsic quality as for the style and timing of their launch. This L2.7184.108.40.206 Longines Master Collection Men’s Watch features 41mm polished steel case size, scratch resistant sapphire crystal with pressure fitted case back, silver dial with day and date display, self winding automatic movement, and 30m water resistance. This watch has the Caliber L698 beats at 28,800 vph, & has an approximate power reserve of 46 hours. All complications are displayed via Retrograde indicators - rather than the hands turning in a full circle, the hands travel along an arc & when the hands reach the end of the arc they spring back to the beginning, Seconds hands at the 6 o'clock position, date hand at the right side of the dial. Adjusted by the button on the case edge at the 4 o'clock position, day of the week beneath the 12 o'clock position is adjusted by the button on the case edge at the 2 o'clock position, GMT/24 hour second time-zone at the left side of the dial.