In order to learn more about your beloved watch you need to know where ROLEX PRODUCTION DATES are engraved. In the end of the 1940s, Rolex used a circular design, the model number was engraved between the lugs and above 12 o’ clock opposite on the 6 o’clock in the same position you could find engraved the serial number of the watch.
ROLEX PRODUCTION DATE
In the beginning of 1950s Rolex added a date mark inside the case back. This showed the quarter in Roman numerals followed by the last two digits of the year.
(I/II/III/IV & YEAR)
ROLEX PRODUCTION DATES! How can you Translate Them?
For example II50, would be the 2nd Quarter of 1950.
I
1ST QUARTER
JANUARY-MARCH
II
2ND QUARTER
APRIL-JUNE
III
3RD QUARTER
JULY-SEPTEMBER
IV
4TH QUARTER
OCTOBER-DECEMBER
In the middle of 1950’s Rolex hit 1.000.000 watches therefore it was decided to start over but not from scratch from 0 it started from 100.000.
In the end of 1980s Rolex hit 10.000.000 watches and the numbering system used a prefix letter followed by six digits. The letters had the following order R, L, E, X, N, C, S, W, T, U.
Want to learn more about Rolex History? Check out our article that describes how everything started.
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Vallée de Joux, Switzerland — Contributing Editor, high complications & independent watchmaking
Julien Favre learned the difference between good silence and bad silence before he was ten. Good silence was his grandfather at the bench in Le Sentier, loupe screwed into one eye, breathing shallow over a disassembled minute repeater. Bad silence was the moment a hairspring pinged off the peg-wood and disappeared into the floorboards. The family atelier — three generations of movement servicing for the maisons that carpet the Vallée de Joux — was never framed as a legacy Julien was expected to join. It simply was the house, the way weather is the house in a mountain valley.
He resisted it, predictably. He studied economics in Lausanne and spent two years in Geneva watch retail, selling the objects rather than opening them. What pulled him back was not sentiment but frustration: he found he could describe why a movement was beautiful far better than anyone selling it could, because he had seen its underside. He started writing — first a blog dissecting finishing under macro photography, then commissioned work for the trade press, then features that treated escapements the way music critics treat a fugue.
Julien now covers high complications, restoration, and the fragile economics of independent watchmaking for European and English-language titles. His reporting is unusually technical without being cold; he is as interested in the person hunched over the bench as in the tolerances they hold. He is skeptical of hype, allergic to press-release adjectives, and reliably the first to notice when a "revolutionary" caliber is a reworked ébauche.
He still returns to the family workshop each winter to service a single pocket watch on his grandfather's bench — a discipline, he says, that keeps his writing honest. A critic who cannot do the thing risks worshipping it. Byline version: Julien Favre is a contributing editor covering high complications and independent watchmaking. He grew up in a movement-servicing atelier in the Vallée de Joux and still works the family bench each winter
Vallée de Joux, Switzerland — Contributing Editor, high complications & independent watchmaking
Julien Favre learned the difference between good silence and bad silence before he was ten. Good silence was his grandfather at the bench in Le Sentier, loupe screwed into one eye, breathing shallow over a disassembled minute repeater. Bad silence was the moment a hairspring pinged off the peg-wood and disappeared into the floorboards. The family atelier — three generations of movement servicing for the maisons that carpet the Vallée de Joux — was never framed as a legacy Julien was expected to join. It simply was the house, the way weather is the house in a mountain valley.
He resisted it, predictably. He studied economics in Lausanne and spent two years in Geneva watch retail, selling the objects rather than opening them. What pulled him back was not sentiment but frustration: he found he could describe why a movement was beautiful far better than anyone selling it could, because he had seen its underside. He started writing — first a blog dissecting finishing under macro photography, then commissioned work for the trade press, then features that treated escapements the way music critics treat a fugue.
Julien now covers high complications, restoration, and the fragile economics of independent watchmaking for European and English-language titles. His reporting is unusually technical without being cold; he is as interested in the person hunched over the bench as in the tolerances they hold. He is skeptical of hype, allergic to press-release adjectives, and reliably the first to notice when a "revolutionary" caliber is a reworked ébauche.
He still returns to the family workshop each winter to service a single pocket watch on his grandfather's bench — a discipline, he says, that keeps his writing honest. A critic who cannot do the thing risks worshipping it.
Byline version: Julien Favre is a contributing editor covering high complications and independent watchmaking. He grew up in a movement-servicing atelier in the Vallée de Joux and still works the family bench each winter
