The point is not whether its Rolex or not. If its real it is crass at best and opens all sorts of other questions as well. I thought Bethelites have to sign a vow of poverty.
If it is a knock off it is a pretence of greater wealth demonstrating a hankering for material wealth not attained.
In either case it has no place on that wrist. It demonstrates the rift between GB1 and GB2. Jack Barr or Lloyd Barry would not have been seen dead in one. They were at least sincere however misguided.