OKTANT Circuit Chrono

Reads speed at a glance.

A self-winding column-wheel chronograph beneath domed sapphire. The fixed tachymeter bezel turns elapsed seconds into velocity, three snailed registers set across a high-contrast panda dial.

  1. Tachymeter bezelFixed steel scale, 400 down to 60 units per hour, read against the central chronograph hand.
  2. Chronograph registerRunning-seconds counter at 9 o'clock, recessed below the dial and turned with concentric snailing rings.
  3. Crown and pushersKnurled screw-down crown on an 88-tooth grip, flanked by pump pushers at 2 and 4 o'clock.
  4. Bracelet and lugsThree-link steel bracelet on lyre lugs, brushed centre links set between polished borders.