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Koi Tourbillon
Koi Tourbillon

Case: Tonneau-shaped CHALLENGE 53.70 mm x 41 mm

Materials: Steel / Black Steel

Caseback: Open with Sapphire  Crystal

Calibre: CVSTOS CVS 2600C hand wound openwork Tourbillon movement with bridges Nishkigoi shaped.

Power-reserve: 60 hours

Jewels: 21

Functions:  Hour, minute and "3x20 seconds" indicator.

Swiss made

Case: Tonneau-shaped CHALLENGE 53.70 mm x 41 mm

Materials: Steel / Black Steel

Caseback: Open with Sapphire  Crystal

Calibre: CVSTOS CVS 2600C hand wound openwork Tourbillon movement with bridges Nishkigoi shaped.

Power-reserve: 60 hours

Jewels: 21

Functions:  Hour, minute and "3x20 seconds" indicator.

Swiss made