Brand: Diesel – Genuine Brand
Model: Mega Chief / DZ4500
Band Width: 26 mm
Band Color / Material: Black & Gray (Nylon + Silicone)
Movement Type: Quartz Chronograph
Water Resistance: 10 ATM (100 m)
Case Diameter: 51 mm
Case Thickness: 15 mm
Crystal Material: Mineral Glass
Clasp / Closure: Single Prong Buckle
Warranty: 2-Year Limited Warranty (typical, check with seller)

Brand: Diesel – Genuine Brand
Model: DZ4379 (Chief / Oversized Automatic / Skeleton) 
Band / Strap: Burnished green genuine leather strap 
Band Width: (Not explicitly listed in many sources) — typically in the ~22-26 mm range for strap style of this size
Movement Type: Automatic / Skeleton movement (self-winding) 
Water Resistance: 5 ATM / 50 m (splash / rain resistant)
Case Dimensions: 51 × 59 mm
Case Thickness: 12 mm
Case Material / Finish: Stainless Steel, brushed & polished finish 
Dial Type / Color / Features: Black dial (skeleton / partial open design) with chronograph styling elements 
Crystal / Glass: Mineral crystal (typical for Diesel) — sources don’t explicitly say, but this is conventional for this line
Clasp / Closure: Standard tang / prong buckle on leather strap
Warranty: 2 years limited warranty (from original date of purchase)