The Self-winding and Chronometer Certified Caliber M100 is bringing the Ref. 6190 into a new era for the Serica Field Watch... #serica #sericawatches #watchmaking #sportswatche #goingtheextramile #Serica6190 #mechanicalwatches #refinedsimplicity #toughwithcharm #swissmade #extremeversatility