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Challenge Sealiner Chrono YC Portofino
Challenge Sealiner Chrono YC Portofino

Case: Tonneau-shaped
CHALLENGE 53.70mm X 41mm

Materials: Teck wood base. Polished and satin finished metallic dial

Caseback: Open with sapphire crystal

Calibre: CVSTOS 357 Chronograph

Power-reserve: 42 hours

Jewels: 25

Functions: Hour, minute, seconds, Chronograph and date

Swiss made

Case: Tonneau-shaped
CHALLENGE 53.70mm X 41mm

Materials: Teck wood base. Polished and satin finished metallic dial

Caseback: Open with sapphire crystal

Calibre: CVSTOS 357 Chronograph

Power-reserve: 42 hours

Jewels: 25

Functions: Hour, minute, seconds, Chronograph and date

Swiss made