Self-winding mechanical movement. Caliber CH 28‑520 HU. Flyback chronograph. Central chronograph hand. 30-minute counter. World Time. 24-hour and day/night indication for the 24 time zones.
Rose-gilt opaline with “carbon” motif, charcoal gray gold applied hour markers with luminescent coating.
Steel. Sapphire crystal case back. Water-resistant to 30 m. Diameter: 41 mm. Height: 12.75 mm.
Calfskin, grained, hand-stitched, taupe (originally fitted). Calfskin, nubuck finish, hand-stitched, beige (additional strap). Fold-over clasp.