Mechanical Watches For Men.Movement: CAL.3H42Model: 1916Drive: Dual-spring driveStrap material: OtherDial thickness: 11.9 mmDial diameter: 30-45 mmCase material: stainless steelAdditional features: TourbillonPower reserve: 60 hDisplay method: pointerCrown: StraightBuckle style: Butterfly double snapWaterproof depth: 5ATMWatch mirror material: Synthetic sapphire crystal