Amazon.com: JSLER 31.4 * 28mm Mod Watch Chapter Ring Brass Fit for SKX6105 6309 Fit for SKX007 Fit for SRPD53 Fit for NH35 Fit for NH36 Movement Watch Case Repair Tool Parts (
NH35/36 Watch Chapter Ring Fit SRPE Case Replace Hard plastic inner ring,Size 32.3*27.5mm - AliExpress
Brass With Marker SKX007 SKX009 SKX011 Diving Watch Chapter Ring Outside Diameter 30.5mm - AliExpress
WATCH DESIGN: Mysterious 0-to-100 Chapter Ring on a Victorinox Swiss Army 9G-500 Automatic Watch: SOLVED - Watch Hunter - Watch Reviews, Photos and Articles
Chapter Rings: What You Need To Know - Watch-Modz
Chapter ring for DIY Watch Club divers - Blue with White Markers – DIYWATCH Club