kavaron Posted April 19, 2006 Report Share Posted April 19, 2006 I want to buy the PAM092 Arktos and a dealer from this forum has 2 versions. One with 21J movement and the other with 7750b1. I heard that the 7750 is all about unreliability (especially the old ones) but I cant find any review on the 21J movement. Can some expert from here tell me which is more reliable? Quote Link to comment Share on other sites More sharing options...
Rikske Posted April 19, 2006 Report Share Posted April 19, 2006 The 7750 is unreliable because of its chronograph complications. The 7750 in the Arktos has no chronograph functions and is superior to the 21J auto. The 21J auto however is not a bad movement. Quote Link to comment Share on other sites More sharing options...
mossanti Posted April 19, 2006 Report Share Posted April 19, 2006 Well...thats true...both quite ok for Arktos...I have one arktos..but i donno which movement I have inside...I dont really bother..coz..it keep time really well...the arktos look ..is one of the best Panerai ever made...and alsoo REPs ... Quote Link to comment Share on other sites More sharing options...
r11co Posted April 19, 2006 Report Share Posted April 19, 2006 A 7750 with the chrono hands missing is still a (dodgy) 7750 and is ultimately an asia rep of an ETA movement. The 21J auto being currently fitted to the Pannys is not the usual Miyota copy but in fact a derivative of the ETA 2892 which is a less complicated yet more sophistcated design. The one in my 090 runs +4 secs. fast a day with no regulation!! Quote Link to comment Share on other sites More sharing options...
archibald Posted April 19, 2006 Report Share Posted April 19, 2006 A 7750 with the chrono hands missing is still a (dodgy) 7750 and is ultimately an asia rep of an ETA movement. The 21J auto being currently fitted to the Pannys is not the usual Miyota copy but in fact a derivative of the ETA 2892 which is a less complicated yet more sophistcated design. The one in my 090 runs +4 secs. fast a day with no regulation!! What r11co said. My experience mimics his exactly. Went through 3 7750b1 PAM O51's before finding one that would "take" an overhaul and work fine, and i have of the asian 2892 copies which run around +/- 5 secs a day or less w/o having been serviced. Quote Link to comment Share on other sites More sharing options...
dadog13 Posted April 19, 2006 Report Share Posted April 19, 2006 i have no reps with 7750b1 mvt...but have 2 with 21j and they work great!...keeping excellent time for 6 months... Quote Link to comment Share on other sites More sharing options...
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