Alpina Alpiner Extreme AL-525G4AE6B automatic dive watch. Stainless steel case with bracelet. Grey 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.
Alpina Alpiner Extreme AL-525S3AE1B automatic dive watch. Titanium case with bracelet. White textured dial with date calendar. 20 atmospheres water resistant.