THE COEFFICIENT
THE FIRST ENDURO-LUME TIMEPIECE

THE COEFFICIENT
THE FIRST ENDURO-LUME TIMEPIECE

$599 - more coming soon

Free shipping within the USA.
60-day risk-free returns.

  • SPECIFICATIONS
  • DIMENSIONS

FIRST EDITION

The Coefficient is the first timepiece to feature Enduro-Lume, our revolutionary always-on illumination system.


Assembled in Switzerland with a Swiss-made movement and U.S.-made illumination system.

  • Enduro-Lume always-on illumination system (patent pending). Made in U.S.A. with 80% U.S. content. Learn more here
  • PVD-coated 316L stainless steel construction
  • Sapphire glass crystal with anti-reflective coating (inside surface)
  • 120-click bidirectional "aperture ring" bezel
  • 100m/330ft water resistance rating with heavy duty gasketed push-pull crown
  • Swiss-made movement (Ronda 715). Quartz resonator. Gold plated. Five jewels. Repairable.
  • Batteries: 371 (movement), CR2025 (Enduro-Lume)
  • 43mm diameter
  • 14mm height
  • 48mm lug-to-lug length
  • 20mm-wide drilled lugs
  • 95 g weight (approx.)

THE COEFFICIENT IN THE PRESS

"The more I wear the Coefficient, the more I like it. It’s traditional in its case construction, yet original in its design."

FRATELLO MAGAZINE

"The most legible tool watch I've ever reviewed."

THE TIME TELLER

"True American innovation in the watch industry."

WATCH CHARTS

The right tool for the job.

LEGIBLE

TOUGH

RELIABLE

INTRODUCING

THE COEFFICIENT

co · ​ef · ​fi · ​cient | kō-ə-ˈfi-shənt
‘Cooperating to produce a result’, from Modern Latin com- ‘together’ + efficient- ‘accomplishing’.  

Unsurpassed Legibility


Super-fast "speed to read", even in total darkness thanks to always-on Enduro-Lume™

Exceptional Toughness


Machined steel construction + hardened PVD coating + sapphire glass crystal + 100M water resistance + heavy duty crown guards

=

One tough mother of a wristwatch.

Rock-solid Reliability


Worry about the job at hand, not about whether your watch is keeping time.

The Coefficient is essentially maintenance free. Swap batteries every ~3 years.

That's it.