Modtok 090 (1967) Conversion Case for Vostok Watches (Twin Pack)


Twin pack of Modtok 090 Case Conversion for Vostok 090 with Sapphire Crystal & Click Spring. Click spring is exactly the same as Seiko SKX/SRPD and takes any SKX/SRPD bezel (not included).

2 conversion cases and 2 click springs included.


The Modtok conversion case converts your Vostok 090 into a Modtok 090 (Vostok 1967 style)  with Sapphire Crystal and SKX/SRPD compatible click spring (Bezel not included)

Features of the Modtok 090 Conversion Case

  • 3mm thick double domed sapphire crystal
  • SKX compatible uni-directional click spring
  • Fully sand blasted
  • Stainless Steel 316L
  • Fits any SKX/SRPD type bezel (Some older inserts may be a tight fit, inserts from and Namokies fit perfectly)
  • Straight swap for the Vostok 090
  • Gasket in Crown tube for extra dust/water resistance
  • Can also use any case that features the long crown stem eg, 020, 090, 100, 110, 150, 670 (Crown stem not included)
  • Convert any Vostok case with the addition of the long stem
  • 22mm lug width
  • 200m water resistance is retained (actually tested to 350m with no failures)