BOSS Grand Prix Matte Black Chronograph – 1513578

Movement | Quartz (Battery Powered)

Functions | Chronograph (Stopwatch) | Tachymeter | 24-Hour Subdial | Date Display

Case Material | Black Ion-Plated 316L Stainless Steel

Case Diameter | 44 mm

Case Thickness | 10 mm

Dial Color | Matte Black with Silver-Tone Indices and Red-Tipped Subdial Hands

Bezel | Fixed Black Ion-Plated with Tachymeter Scale

Crystal | Scratch-Resistant Mineral Glass

Strap Material | Black Ion-Plated Stainless Steel Link Bracelet

Strap Width | 22 mm

Clasp Type | Push-Button Deployment Clasp

Water Resistance | 30 Meters (3 ATM) / Splash Resistant