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Unimatic U3 Classic Chrono Watch



The Made in Italy diving watch is part of the permanent Unimatic Classic series, featuring a high legibility dial in black matte with Super-LumiNova® C3 pale green for the best possible performance in any conditions. The permanent series is a functional design evolution of the Unimatic references and stands as an archetype of the ideal performance timepiece. It is distinct with a new ‘CLASSIC’ writing on the dial as well as on the screw-down caseback engraved with ‘Rosa dei Venti’ diagram.

  • SIZE 40 mm
  • WATER RESISTANCE 300m = 1000ft = 30atm
  • ORIGIN Made in Italy
  • TESTING Singularly tested for accuracy and water resistance
  • LUGS / STRAP SIZE 22mm
  • CASE MATERIAL 316 stainless steel
  • CASE FINISHING Brushed finish
  • BEZEL 120 clicks mono-directional safety bezel
  • BEZEL INSERT Black anodized aluminium
  • CASEBACKUnimatic “Rosa dei venti” caseback
  • CROWN Alchemical Sun ☉ 8mm screw-down
  • LENS DESCRIPTION 2.5mm thick double domed sapphire
  • LENS TREATMENT Inner side anti-reflective coating
  • DIAL BASE COLOR Black matte dial, two sub-dial
  • LUMINOUS COLOR Super-LumiNova® C3 pale green
  • DIAL TRIMS Off-white closed open second rail and dial trims
  • HANDS Black matte ladder phantom H+M, reverse lollipop S with off-white tip
  • CALIBER TYPE Meca-quartz calibre Seiko VK64
  • TYPE OF OSCILLATOR Tuning fork
  • BATTERY TYPE Silver oxide battery – 1.55 V
  • BATTERY SIZE  9.5 x t 3.6 ( mm )
  • ACCURACY ± 20 seconds per month
  • ANTIMAGNETISM Antimagnetic   1600 A/m
  • STRAP BASE Black heavy duty Unimatic nylon nato strap
  • STRAP HARDWARE Stainless steel brushed hardware signed UNIMATIC
  • PRODUCT KIT Unimatic tough case, warranty card with unique ID seal