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 CASEBACK Unimatic “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 CALIBER FREQUENCY 32,768 Hz 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