90's! Vintage rare! "Stendardo immersion rex" Valjoux 7750! automatic chronograph! Used but nice original condition! 38 mm (without crown) gold plaqued case with snap-on type steel back! Perfect original unique dial with beautiful indexes! Clear mineral crystal!original signed crown! Written on steel back "swiss chrono automatic Stendardo wr 3 atm" Valjoux 7750 swiss automatic movement (with 17 jewels) runs very nicely,keeps time, chrono ok, quick date,hacking stop ok! Unique collector's watch! Shipping worldwide (30-45 usd)