Blog posts from Andy Callan
The Rolex Caliber 3155
While it may have the reputation for never letting the grass grow under its feet in terms of technical development, Rolex could never be accused of tinkering with its designs just for the sake of it. If they develop a significantly improved process or system or material that will genuinely add something to one of […]
The Rolex Caliber 2230/2235
In 1999, Rolex began the transition from their highly successful Caliber 2130 series of calibers, the second generation of movements crafted specifically for the ladies’ watch range, and started the role out of its replacement, the Caliber 2230. Although the earlier series, from its launch in 1983, had gained the distinction of the highest first […]
The Rolex Caliber 3185
What’s in a wobble? Well, according to the most diehard of luxury watch collectors, it is whether or not the 24-hour hand on a vintage Rolex GMT model twitches slightly when the time is adjusted. This is a very big deal. It is the quickest way to identify whether an Explorer II ref. 16570 or […]
The Grail Watch Series: Sea-Dweller
There are a number of pieces in the Rolex stable that have earned the epithet ‘iconic’ over the years—timeless examples of design and engineering virtuosity that have lifted the brand far above the status of mere watchmakers. Models such as the Submariner and the Daytona can easily lay claim to being in such exclusive company. […]