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Horological Meandering

Some thoughts on the date window

 

During my recent short stay in Paris, I tried on two watches with a date window about which I thought to myself: this is how it should be done.

What do they have in common?

  • A framed aperture, well aligned with the hour markers.
  • A date disc that matches the dial color.
  • A font and color for the date numerals that harmonize well with the dial design.
  • A placement at 3 o'clock.

The first one was the steel Jaeger-LeCoultre Master Control Chronometer Date ref. Q4158120






The second one was the Grand Seiko Evolution 9 Spring Drive U.F.A. ref. SLGB006



Watch, SLGH005, Evolution 9 Spring Drive, Grand Seiko

So I started going through my photo collection, looking at the date windows and wondering if I thought they were well executed or not, and why.

Here are twelve rather varied examples, accompanied by my personal impressions...


Laurent Ferrier Classic Auto Horizon ref. LCF046.AC.CG1: the aperture looks strange to me and the date disc doesn't match the dial color...





Patek Philippe Nautilus ref. 5711/1A-014: the aperture is framed, which I like, but it is a bit too narrow compared to the indices and the date disc doesn't match the dial color...





Patek Philippe Annual Calendar ref. 5450P-001: the aperture doesn't feature a metallic frame matching the indices and the date disc doesn't match the dial color...





Alpine Eagle 41 Grey dial ref. 298600-3002: the date disc and the numerals match the dial color scheme, which is nice, but the placement between 4 and 5 o'clock isn't ideal.





Girard Perregaux Laureato 38 ref. 81005-11-431-11A: the date disc and numerals match the dial color scheme and the placement at 3 o'clock is coherent, but wouldn't it be better if the aperture was framed?





A. Lange & Söhne Lange 1 ref. 191.032: I think this is a great execution of the date window.





Blancpain Grande Date Jour Rétrograde ref. 6668-3642-55A: this Big Date isn't as well executed as the one above, imo...





Breguet Classique ref. 5177BA/15/9V6: not bad at all, imo. The aperture doesn't interrupt the hour ring and it is discreet and well designed with a trapezoidal shape.





Patek Philippe Annual Calendar Regulator ref. 5235/50R-001: the aperture interrupts the seconds scale, but, other than that, I think it is well executed and coherent here.





Patek Philippe Cubitus ref. 7128/1R-001: I like that the aperture is framed. It could be a little less narrow and I wonder if it wouldn't be better with a brown disc and white numerals.





Vacheron Constantin Chronomètre Royal Automatic ref. 6694: the aperture is a bit too big and the white date disc ruins the execution, imo.





Grand Seiko Heritage Collection ref. SBGH368: the white date disc doesn't fully match the dial color. 





So, these are just a few examples giving food for thought

There are, of course, no hard and fast rules, but the JLC and GS models shown at the beginning of this post seem particularly well done to me. 

What are your thoughts?

Best, Emmanuel

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