Silver-tone stainless steel case, black rubber strap. Rotating stainless steel bezel with compass top ring. Black dial featuring luminous silver-tone hands and index hour markers; countdown Arabic minute markers at 5-minute intervals around outer rim. Analog dial type, luminous (visible in dark) hands. Chronograph function: five sub-dials showing mechanical countdown for 10 minutes each. Movement: Alpina Calibre AL-880 automatic, based on Sellita SW500 with 25 jewels and frequency of 28800 vph; approximately 46-hour power reserve. Scratch resistant sapphire crystal lens. Screw-down winding crown. Transparent sapphire case back. Round case shape measuring 44 mm in diameter, band width 20 mm, equipped with a deployment clasp. Water resistant to 300 meters / 1000 feet depth. Functions include chronograph, hour, minute, second display, compass direction reading, and dedicated regatta countdown timer. Item Variations: AL-880LBG4V6, AL.880LBG4V6, AL880LBG4V6.