The Alpiner 4 Automatic features the AL-525 caliber, automatic movement, and is anti-magnetic, anti-shock, and WR to 100M. Brushed and polished stainless steel 2-part 44mm case, 360° bidirectional turning bezel with black markers. Scratch resistant convex sapphire crystal, and engraved case back. Grey dial, sunray finishing with horizontal line pattern, grey inner ring with white markers, applied silver tone indexes with white luminous treatment. Date window at 3 o'clock, silver tone hour and minute hands, and with second hand with signature red triangle. Brown leather strap with off-white stitching and red lining.