5.50mm screw type watch crown includes case tube and gasket
Stainless steel- steel finish
Tap 0.90mm

Crown outer diameter 5.50mm
Crown thickness 2.07mm
Overall crown and post length 6.33mm
Crown post thickness 2.20mm/ 1.50mm
Case tube large end diameter 4.45mm
Case tube large end height 1.55mm
Case tube small end diameter 3.45mm
Overall tube length 3.62mm

This listing is for one crown, one tube and one gasket                                                    We combine shipping
Swiss made by ISO Swiss