Alpina AL-725B4S6 Startimer Pilot Chronograph Black Dial Accutron which is the same as

which is the same as the one used in space

15mm synthetic sapphire dial and crystal

Travel case

Introducing the DW-B5600 line of G-SHOCK watches - Featuring a new toughness-driven design and Smartphone Link functionality

Shock-resistant full-metal design with Bluetooth®

Alpina AL-725B4S6 Startimer Pilot Chronograph Black Dial Accutron which is the same asMOVEMENT FEATURES CALIBER: AL 725 FREQUENCY: 28800 H JEWELS: 25 WINDING: AUTOMATIC POWER RESERVE: 46 H THEME: HOURS, MINUTES, SECONDS, MECHANICAL CHRONOGRAPH CASE FEATURES MATERIALS: STAINLESS STEEL CRYSTAL: SCRATCH RESISTANT SAPPHIRE CRYSTAL DIAL: MATTE BLACK DIAL CROWN: SCREW IN WATER RESISTANCE: 10 ATM DIAMETER: 44mm STRAP OR BRACELET WIDTH: 22 18 MM STRAP: GENUINE LEATHER