ARF 126600 SD43 v3, with Prof's 2xAR non-cyclops crystal, a gen 7030 tube countersunk, tapped and Loctited into the case, a gen 704 crown, gen clicksprings, gen springbars, an ETA 2824-2 Top Grade movement, the HE valve sealed with epoxy, a full service done on the movement & all seals, also pressure tested to 5 ATMs. Service and all mods done by Oascom.