THE COEFFICIENT
THE FIRST ENDURO-LUME TIMEPIECE

THE COEFFICIENT
THE FIRST ENDURO-LUME TIMEPIECE

$599 - more coming soon

Free shipping within the USA.

Current wait time is 1-2 weeks.  Joining the waitlist is free.  

  • 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 Ronda 715 quartz movement
  • 43mm diameter
  • 14mm height
  • 48mm lug-to-lug length
  • 20mm-wide drilled lugs
  • 95 g weight (approx.)

★★★★★

"It's sortof surreal how it just glows all the time. I've had mine for three months, still glowing. It's crazy, actually. Like magic."

- Milan, Virginia

"The illumination is brighter than I expected, and the build quality is incredible. This watch just feels TOUGH."

- Robert, California

"When I wore another one of my watches recently, I found myself wishing it had Enduro-Lume. You just become used to relying on it."

- Brian, Texas

"I’m definitely not a rich guy, but I DO have a lot of watches; I can say this new PAR WEBER is definitely going to get a lot of wrist time! Keep up the great work."

- Nigel, Missouri

INTRODUCING

THE COEFFICIENT

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

The right tool for the job.

LEGIBLE

TOUGH

RELIABLE

UNSURPASSED LEGIBILITY


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

Super-LumiNova fades.
Tritium dies.
Enduro-Lume™ does not.

Super-LumiNova fades.
Tritium dies.
Enduro-Lume™ does not.

SUPERIOR 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.