Alpina AL-525BB4AE6 Alpiner Extreme Automatic California Handmade It's the world's first moonphase

It's the world's first moonphase watch combined with atomic timekeeping innovation from Citizen

Sleeptracker provides details on how much time you spent in deep sleep

This ingenuity is complemented by a meticulous attention to detail

It also features a self-winding 21-jewel automatic movement with a 42-hour power reserve and calendar

Under the hood beats a Swiss Made Sellita SW-200-1 automatic movement ensuring both accuracy and reliability

Alpina AL-525BB4AE6 Alpiner Extreme Automatic California Handmade It's the world's first moonphaseReference: AL 525BB4AE6 Caliber: AL 525 Movement: Automatic Power Reserve: 38 HoursFrequency: 28'800 ALT HJewels: 26 Case Material: Brushed and Polished Stainless Steel 3 Part CaseCase Diameter: 41X42. 50mmCase Height: 11,50mm Crystal: Anti Reflective Sapphire CrystalWater Resistance: Upto 20 ATM 200M 660FT Case Back: Engraved and See Through Threaded Case BackCrown: Screw Down Crown Dial: Black Dial with a Triangle Pattern Strap: Black Ruber Strap