Katt serviced my VSF Omega Seamaster 300 Pro which was running +11 seconds/day fast. I honestly expected this to take a few days/weeks but he fixed it in a little over 24 hours. Regulated to +/- 0 seconds/day! Throughout the process, Katt provided excellent communication and thorough photos throughout. Also greased the gaskets and did additional work to the movement. Watch is running as good as new. Cannot recommend him enough. A true professional and a gentleman.