This is an original Watch Case for the Seiko SRP311 Sunburst Gen 2 Monster

This case includes all the gaskets, caseback, crystal, crown & bezel. 

This watch part is compatible with the following model numbers:

SRP311

SRP311J1, SRP311J2

This watch part is compatible with the following watch case numbers:

4R36-01J0,

Product specifications:

Brand: Seiko

Article number: 4R3601J002A

Color: Black, Orange

Size: 43.5 mm

Condition: New sealed

Related watch parts: 87061955, 4R3601J0