The case is based on the iconic sub case which includes a solid screw down case back and screw down crown. Polished sides and brushed lugs and using a Sapphire crystal. The watch case is fully protected with sticky film to ensure polished surfaces stay intact. 
The bezel is 24 click Bi-directional dive bezel with a smooth rotation with an aluminium bezel insert 
The dial is black sunburst with accented GMT hand to match accented text. Features 2.5x date mag window. 
The bracelet uses screw in links with a gliding micro adjustment clasp and features 3 brushed links. The clasp is also fully brushed. 
The movement is a Seiko NH34 automatic movement and has been regulated to perform in or around +/- 10 secs a day and features a hackling and hand winding capability along with date & GMT function.
Water resistance has not been tested but for all new components and seals have been used. currently splash proof but recommended to get it professionally tested if it to be used for diving. 
Dimensions:
Case diameter:  40 mm 
Lug to Lug: 48 mm
Case thickness: 13.5 mm
Lug width: 20 mm