Case

• Model: Challenge III or Challenge III GT

• Shape: Tonneau

• Dimensions: 53.7 x 41 mm or 59 x 45 mm

• Material: Titanium Grade 5

• Color: Black

• Crystal: Sapphire with anti-reflective coating on both sides

• Caseback: Open with sapphire crystal

• Crown: Screw-down, polished Black PVD with rubber insert

• Screws: Polished Grade 5 Titanium with exclusive CVSTOS TECHNOLOGY pattern

Dial

• Numerals: Arabic, exclusive CVSTOS TECHNOLOGY design

• Color: Blue

• Indexes: Super-Luminova treated

• Hands: Pierced, chromed, and Super-Luminova treated

Movement

• Caliber: Cvstos CVS577

• Finish: Black PVD treated or rhodiated

• Type: Self-winding mechanical, skeletonized

• Functions:

  • Chronograph

  • Hours, Minutes, Seconds

  • Power-Reserve Indicator

• Power Reserve: 48 hours

• Frequency: 28,800 vibrations/hour

• Jewels: 21

Bracelet/Strap

• Material Options: Alcantara, Alligator Leather, or Rubber

• Clasp: Folding clasp