Saw these new Seiko models at H2 Hub (Parkway Parade) today. They are using the Monster case but fitted with compass bezel with no click when rotated. They are rated WR 100m with no screw-in crown.
I think the SRP443K with orange accent shown above is the nicest. It has orange colour lume while the rest have the usual green colour lume.
Other variants below:
SRP445K
SRP447K
SRP449K
Yeoman's Weblog 
Whats the (real) size?
42 or 44mm?
42mm
Thanks for the reply…
You are welcome.
Sorry, I gave you the wrong info. It should be 44mm. Please refer to this post:
http://yeomanseiko.com/2013/08/04/seiko-superior-srp441k-srp443k/
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Hi Yeoman,
I got the 451 which I think is the best looking Field Monster so far. here it is along side my friend’s JDM 50th anniversary model.
Two nice watches there. Congrats and thanks for sharing.
The orange gets my vote 🙂
Looks really nice.
Its to bad Seiko decided not to go for 200m, since the regular case is already like that.
Ya, they should have kept the screw-in crown.