Extreme Chronograph Automatic AL-730NS4AE6B

The Alpiner Extreme Chronograph Automatic features the AL-730 caliber, automatic movement with a 62-hour power reserve. Brushed and polished stainless steel 41mm, 3-part case. Anti-reflective sapphire crystal, water resistant to 100M, and an engraved see-through case-back. Navy blue dial with triangle pattern, applied silver indexes filled with white luminous treatment, silver color hour and minute hands, white outer ring with black chronograph seconds graduation. Silver color chronograph second hand with red triangle, silver color chronograph 30 minute counter at 3 o'clock, silver chronograph 12 hours counter at 6 o'clock and a silver 60 seconds counter at 9 o'clock all with black hand and black graduation. Date window between 4 and 5 o'clock. Brushed and polished stainless steel bracelet with folding buckle and push buttons.

Source: Alpina website, last updated Mar 2026