A Formidable Foursome: 4 Watches Worn and Endorsed by Pro Golfers
For many of us, summer means weekends on the golf course and lazy afternoons watching your favorite professional golfers compete in the major tournaments on TV. And for some of us, this also involves paying close attention to what watches these athletes are sporting in their interviews, trophy presentations, and in some cases, even during competition on the course. As the 2015 PGA Championships wrap up this weekend, we showcase a foursome of notable watches favored by the pros.Rolex has had a long history of being worn, and in many cases endorsed, by several of golf’s greatest players, including Jack Nicklaus, Arnold Palmer, Tiger Woods, and Phil Mickelson. Mickelson, winner of five major championships including three Masters titles and the 2013 PGA Tournament, can be spotted these days in print and TV advertisements sporting the Swiss brand’s newly revamped Rolex Oyster Perpetual Day-Date, notably the platinum-cased model with “ice-blue” dial that made its debu

My 5164A
It's now three months old and I've never owned a watch that I loved more than this one. Attaching a couple of photos. Sent from my iPhone using Tapatalk

Is this my best incoming teaser thread yet?
Start the guessing everyone. There will be some clues along the way!

Does Rolex make its own steel?
I've heard for years that Rolex has its own foundry, and makes its own 904L stainless steel. However, I was reading an article on Deployant, written in 2016, and they said the following:Although Rolex is one of the few watch companies to own and operate their own metal foundries, the in-house foundry is used to make precious metals like their proprietary Everose gold. Steel, especially the 904L used by Rolex exclusively in all their stainless steel products is so specialized that it is made by from a supplier. The supplier works under strict specifications from Rolex.This was news to me, and I don't know whether it's correct or not. Does anyone have any input?

spring bar tool recommendation
Looking for a recommendation for a spring bar tool for changing out bands and straps. I bought one for for $10 on amazon and the pin end of it bent and broke off - i guess you get what you pay for. I want one to use with bracelets on Tudor's and Rolex's with and with out drilled lug holes.Thanks!