Quality Automatic movement; Functions without a battery; Powers automatically with the movement of your armScratch-resistant-sapphire crystalCase diameter : 45 mmStainless-steel case; Black dial; Date function; Chronograph functionsWater-resistant to 165 feet (50 M)

Automatic movementDurable sapphire crystal protects watch from scratchesCase diameter : 42 mmStainless steel caseWater-resistant to 330 feet (100 M)

Skeleton back with mineral glassStainless steelDate featureLuminous handsWater-resistant to 165 feet (50 M)