Well look at that, Joe has insta crafting now with all the power ups that increase his speed at it. I would even say that it will be incredibly beautiful to see the duplicates make an Gundam army when an Endbringer comes next time.
It's not Insta crafting. But it is a massive reduction. I am assuming it would take an experienced team of 10 a week to build a mobile suit if all the parts are ready and they just need to build it using the parts. So if he can build 10 in a week, then his work is 10 times faster than a team of 10. So it's roughly an x100 speed modifier.
Then the perk says he can double or even trip that if he works hard at it. So basically he has a x100 speed increase that with effect can reach x300.
Now I could be wrong on my assumption on how long it takes a team of 10 to build 1 mobile suit. But for an ultra conservative estimate let's say it takes them a week to pump out 5 mobile suits. That means his speed is increased by a minimum of x20 (x10 for the work of 10 people and x2 for doing double that) with the potential of being x60.
So on the lower end we are talking about x60 increase in production speed. Add that to his other speed powers and you have more than x48000 speed depending on what he is building (some perks are vague so I give them x10).
To put that into perspective, it took him 1 hour to build 5 super advanced watches for the undersides. Now it would take him 1 minute. And that is being conservative. If it is at max a x300 speed increase, then it would take him 12 seconds to build the 5 watches. Well build one and let workaholic make the other 4.
BTW I am not counting any other speed increase perks since the watches were built other than the 600cp Build Rome.
As a side not, the watches would probably last thousands Of years instead of hundreds now, since the perk also increases the life expectancy of items.
The thing that will benefit the Most from this speed increases is Matrix. Since Joe is constantly making new nanites a potential x300 speed increase or even just a x30 speed increase would be very significant.
Would Joe be able to add life fiver to nanites? And if he can would it make any difference as it's too small?