Alpina Extreme AL-525B4AE6 automatic dive watch. Stainless steel case with a black rubber strap. Black textured dial with date calendar. 20 atmospheres water resistant.
Alpina Extreme AL-525GR4AE6 automatic dive watch. Stainless steel case with a green rubber strap. Green textured dial with date calendar. 20 atmospheres water resistant.
Alpina Extreme AL-525N4AE6 automatic dive watch. Stainless steel case with a blue rubber strap. Blue textured dial with date calendar. 20 atmospheres water resistant.