Atom is Reactor’s take on the classic field watch, grown up to a modern and easy-reading 42mm diameter, and now with our exclusive Never Dark® dial illumination. If you can only own one Reactor, this is a tough one to beat. Available in multiple colors without Never Dark® and in a size for ladies.


  • Individually depth tested to 200 M / 660 ft.
  • Forged from solid type 316L marine-grade stainless steel
  • Triple o-ring screw down crown for superior water resistance
  • Secure screw bar case-to-band interface for superior strength
  • Free-floating lug system for a comfortable fit on any size wrist


  • Case Material                    Stainless
  • Band                                  Stainless Bracelet
  • Depth Rating                     Individually depth tested to 200 M / 660 ft.
  • Movement                         Quartz with day/date
  • Illumination                        Never Dark® System
  • Case Size                         42.25mm
  • Case Thickness                13.4mm
  • Weight                              180 grams
  • Width at Lug                     32.5mm
  • Width at Clasp                  22mm