I've just found this, an updated sumo coming in July with 70 hour power reserve and sapphire glass. There will be a green version which looks nice.

https://youtu.be/-Ah0knS-W84

https://www.watcho.co.uk/Watches/Sei...RoC5RMQAvD_BwE

I still tend to think at £740 its a bit costly but then CW are about the same now, although Steinhart are still a good chunk cheaper for their watches. What do others think?