The case, in stainless steel, measures 44mm. It has a bi-directional compass bezel, a sapphire crystal, and it is water resistant to 100 meters. Movement is the Swiss automatic Alpina caliber AL550 with 26 jewels, 28,800 vph and a power reserve of 38 hours. It features a GMT complication. You set local time by independently moving the hour hand from hour to hour, while the 24 hour hand always displays home time.