One trick I've done previously when even a case opener failed to work was super gluing a bolt on the back and using a spanner to apply additional pressure. They're usually so tight because the rubber has liquefied a bit making it very difficult. Pop it on a radiator or something for a minute as...
https://www.ebay.com/itm/195718492400
All correct Mark III in really nice condition I'd say. One interesting point is the date stamp 6-66 as Nico's website states these as being without a date stamp. Not sure if the website is incorrect but serial number definitely fits the Mark III range...
Hi Ronnie,
Simon is excellent as is Brendan Hoey (www.webwatchmaker.co.uk). There aren't many Enicar specialist watchmakers, but one of the best (and with all the spare parts) is based in Holland and is on these very forums @HorologyBiology.
Cheers,
Steve
Agree with H.
If you're after a beaten up one for parts etc, then they tend to go for around EUR600-800 on ebay. If you want an all correct one to wear though, I'd wait for an auction for one on eBay.
No, it's a known variant of the IIa. Have a look at the examples on Nico's page: https://enicar101.com/sherpa-graph-mkii/
There's definitely something off with the eBay one though. That dial is very wrong for a Mark Ib. We didn't see the small Enicar logo until some of the late 1d's and they...
Yes, totally agree that it's a later dial. I've just checked my one over and it's a Mark IIa S/N 617.XXX. @JimJupiter will chip in I'm sure, but this should be a Mark IIa as well, not a 1b.