Good choices - my only issue with the Seiko LE "Blue Lagoon" is that the last time I wore it I lost 14 seconds in 24 hours. The timekeeping on the automatic movement needs to be regulated a little better.
Both of those Rolex watches keep time better than within 1 second/day!
The last time I checked it, the Hulk ran for 16 days and only lost 2.5 seconds during that time (-0.16 sec/day). The Yachmaster ran for 1.3 days and only lost 0.9 seconds during that time, before I sold it (-0.7 sec/day).
To be a Swiss Chronometer it must meet many criteria, and one of them is that it must run between -4 and +6 seconds per day on average while in any of 5 of the 6 positions (crown up. down, left and right, or face down and up). A Rolex "Superlative Chronometer" must stay within -2 to +2 seconds/day. Omega now specifies it must run between -1 to +3 seconds/day.
[other Swiss watches I have also run great - my Victorinox dive master 500 ran for the past 273 days between on my wrist and on my watch winder, and over those 9 months it averaged only 0.6 seconds/day lost. My Rolex Pepsi GMT lost only 0.9 second/day last I checked. And I've run my Omega Grey Side of the Moon watch for the past 10 days on wrist and watch winder and it's averaged a gain of only 0.5 seconds/day during that time.]
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