Case

• Model: Challenge Sealiner

• Shape: Tonneau

• Dimensions: 53.7 x 41 mm

• Material: Steel

• Color: 5N Red Gold & Sky Blue

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

• Caseback: Open design with sapphire crystal

Crown & Screws

• Crown: Screw-down, polished 5N Red Gold with rubber insert

• Screws: Polished 5N Red Gold, with exclusive CVSTOS TECHNOLOGY pattern

Dial

• Material: Teak wood plate

• Decoration: Rhodium-goldened decorative appliqué, polished

• Color: 5N Red Gold & White

• Indexes: Super-Luminova treated

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

Movement

• Caliber: Cvstos CVS857

• Type: Self-winding mechanical

• Functions: Chronograph, hour, minute, in-line day/date display, small seconds

• Power Reserve: 48 hours

• Frequency: 28,800 vibrations/hour

• Jewels: 25

Bracelet / Strap

• Options: Rubber or Alligator leather

• Clasp: Folding clasp