Synthetic sapphire crystal, sunray movement.

Movement: CAL.3H45

Model: 1915

Drive mode: double mainspring drive

Power reserve: 72 (hours)

Vibration frequency: 28800 (times/hour)

Winding method: manual winding

Case diameter: 45-30mm

Case Thickness: 11.9mm

Strap width: 20-26mm

Case Material: 316 stainless steel

Strap Material: Rubber

Waterproof depth: 5ATM

Glass material: synthetic sapphire crystal

Buckle style: Butterfly double snap

Crown: Straight