Extra is edited by 
Although At first glance's a Seiko、Only movement NH35
Actually's the Invicta Prodiver
case size は 40mm 、The insert into R Co., Ltd.、Fitted with a dial and DLW of the second hand of yobokies。
Chitin and 200m waterproof screw-lock type crown 
+7
I am always grateful for your help!
so、Since I did not know "Invicta Prodiver"、It was involuntarily search! (Sweat)
This ↓ It is?
https://www.amazon.co.jp/%E3%82%A4%E3%83%B3%E3%83%93%E3%82%AF%E3%82%BF-Invicta-%E3%83%97%E3%83%AD%E3%83%80%E3%82%A4%E3%83%90%E3%83%BC-%E3%83%96%E3%83%A9%E3%83%83%E3%82%AF-%E3%80%90%E6%AD%A3%E8%A6%8F%E8%BC%B8%E5%85%A5%E5%93%81%E3%80%91/dp/B000JQFX1G/ref=sr_1_47?s=watch&ie=UTF8&qid=1544244412&sr=1-47
That the machine say the NH35 is、Mod for dial also because you can use it、Material discovery of new 3 o'clock crownis not it! !
Always Thank you for your help
Since chitin and the gasket was there to crown inner bottom surface)
The model(Image right)The shape of the bezel will be the omega type that it。
Model number 8926 OB (Out of Bounds)so、(Image left)
This model number will be the bezel of Roretaipu
But I was puzzled post since it is not a pure Seiko、Not delete If there is any chance inconvenience ~
(Postscript : It is proposed that either waterproof also
Thank you for being prompt! Link was re-paste。
so、It is not at all a problem! Very useful as a material!
Thank you。