Material – Metal Chapter Ring – This is Not Plastic unlike many others available on the market today – machined from a single piece of metal Type/Design – Chapter Ring with rear pin location (as oem) part of our AQUALUME range of luminous mod parts Finish – Black with C3 lumed 5-min markers (square) 1-minute markers (dots) Ref dimensions – As per OEM Plastic Chapter ring Fitting – Superb Chapter Ring with lumed 5 min and 1 min markers. Direct fit for original part no modification required Additional info – Superb high quality Lumed Chapter Ring exclusive CT design. A direct replacement for the plastic oem part and very easily fitted during crystal installation. Suitable for – 200M 0020 case type SKX007 SKX009 SKX011 SKX171 SKX173 SKX175 SKXA35 SKX401K – Crystaltimes Cases CT700 CT701 CT702 CT703 CT705 CT707 CT708