SKX007/Field case that can fit all SKX007 parts except the bracelet. Bracelet should be 20mm flat endlink.
Case specs: 
Diameter: 41.8mm 
Lug to lug: 51.5mm
Thickness: 6.9mm (case cover not included)
Lug width: 20mm
Package includes the following:
a. Silver Case (brushed top/polished side) with drilled lugs
b. Rotating Bezel spring click 
c. Gaskets for Glass and Case Cover
d. 2 pcs spring bar
Note: Case cover are sold separately.
38 mm size is comfortable yet the case accommodates Seiko sea urchin dial in good proportion. Also the case looks well with W&S straight end FKM rubber strap in my opinion.
Don’t hesitate to deal with them, they’re amazing with customer service and their parts are really nicely finished and have a premium feel to them
 
         
       
                    
                   
                    
                  