GENUINE SEIKO FROM SEIKO - THIS IS A GENUINE SEIKO PART 4F24ZZ - 22mm LUGS WILL FIT ANY AND ALL SEIKO DIVER WATCHES WITH 22mm LUGS - ORIGINAL TO SKX173 FITS ANY AND ALL 22mm LUGS  ETC. - INCLUDES TWO NEW HEAVY DUTY SEIKO C220FS HEAVY DUTY FAT SPRING BARS - SPRING BARS WILL SHIP IN A GENERIC ZIP-LOCK BAG AS THEY ARE PACKAGED FROM SEIKO IN MULTIPLES OF FIVE - FACTORY FRESH