Samurai is the third form。 Three-pin、Windshield、Chapter ring：DLW (windshield、Chapter for Turtle) bezel + insert、belt：Ok dial：Originally it became knight Ppoku or rather DAGAZ samurai was using as it is the chapter ring of the Samurai。You do not see is the minute scale of the chapters from the front from the shape of the windshield(Only hesitation without seeing?)But、It will be seen and also to perspective。 As of you know of some shop bezel and windshield of the Samurai and Turtle are claiming that that can be shared。so、 "Not you also go chapter ring if the windshield can be shared?" Result OK Did It was one-way traffic。 ① Turtle for the chapter is the ② samurai for the chapter can also be used in the Samurai is the array I forgot to take a picture that can not be used in the Turtle、If the case-side mating portion of the Turtle(Bottom surface)Convex groove is located in the。Of course in the chapter side not there is a concave groove ... Samurai Saddle registration unit in case chapter both the bottom surface by L and L is flat。 After that Please judge look at the pictures of the case that each shop is out carefully,(Throwing circle) Finally luminous looks like