Case

• Model: Challenge Sealiner / Challenge Sealiner GT

• Shape & Dimensions:

  • Sealiner: Tonneau-shaped, 53.7 x 41 mm

  • Sealiner GT: Tonneau-shaped, 59 x 45 mm

• Material: Steel

• Color Options: 5N Red Gold, Sky Blue

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

• Caseback: Open with sapphire crystal

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

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

Dial

• Base: Teak wood plate

• Decoration: Rhodium-plated or goldened decorative appliques, polished with Côtes de Genève finish

• Color Options: 5N Red Gold, Blue

• Indexes: Super-Luminova treated

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

Movement

• Caliber: Cvstos CVS410

• Treatment: Rhodium treated

• Type: Self-winding mechanical, skeletonized

• Functions: Hours, Minutes, Seconds, Date

• Power Reserve: 42 hours

• Frequency: 28,800 vibrations/hour

• Jewels: 21

Bracelet / Strap

• Options: Rubber or Alligator leather

• Clasp: Folding clasp