The Watchmaker’s Four: A Centuries Old Tradition

Upon closer examination of a fine watch dial, one may notice an unusual notation at the four o’clock position: the Roman numeral IIII rather than the more familiar IV. This curious choice has puzzled observers for generations, yet it remains a carefully considered element of watchmaking tradition, one that speaks to the depth of craft and historical continuity that defines horological excellence.

The exact origins of this practice have been obscured by time, though horologists and scholars have long debated the reasoning behind it. One theory suggests that the practice emerged from an ancient reluctance to place the abbreviation of Jupiter, the Roman god, upon something as mundane as a clock face. This explanation, whilst romantic in its genesis, has largely been disputed by modern research.

More compelling is the notion that the additive notation of Roman numerals, which preceded the subtractive system we recognise today, was once the standard. When the first mechanical timepieces emerged, this additive form persisted, and watchmakers, respecting tradition, continued the practice across centuries.

A more pragmatic consideration offers another lens through which to understand this choice. The numeral IV, when rendered in certain typefaces and at certain scales, can prove difficult to read with clarity. Since four and six sit opposite one another on the dial, the use of IIII provides a visual distinction that prevents confusion between these two positions.

Symmetry and Harmony

Yet perhaps the most compelling reason lies in the pursuit of aesthetic harmony. The use of IIII ensures that exactly fourteen individual characters occupy each half of the dial, creating a symmetrical counterpart to VIII. This mathematical elegance gives the dial a balanced, harmonious appearance that elevates the entire composition. For watchmakers concerned with the language of design and proportion, this symmetry represents an essential refinement.

Glashütte Original, the Saxon manufactory renowned for its uncompromising standards and reverence for horological heritage, preserves this venerable tradition across several of its most distinguished creations. The Senator Chronometer, Senator Chronograph, and Senator Meissen all feature the IIII at four o’clock, each timepiece a testament to the legacy of traditional watchmaking executed without concession to imprecision.

In choosing to retain this notation, Glashütte Original does more than follow convention. It honours the accumulated knowledge of generations of craftsmen, maintaining a thread of continuity that connects contemporary manufacture to the earliest days of mechanical timekeeping. The IIII thus becomes not merely a numeral, but a declaration of values: respect for heritage, attention to detail, and an understanding that true luxury resides in the thoughtfulness of tradition.

Imagery courtesy of Glashütte Original (@glashuetteoriginal).