A lesson in colour theory.In the lead up to Geneva Watch Days, Czapek has unveiled the Promenade Transparencies Aqua Blue — a gradient blue variant of a sapphire-dialled dress watch the brand released in late 2024. The watch breaks little new ground but the blue-on-blue look reveals a keen eye and an awareness of colour theory.
Initial thoughts
I have mixed feelings about sapphire dials, but I liked Czapek’s approach to opening up the Promenade when the brand launched its “Viridian Green” collaboration with Fratello in 2024. The “Aqua Blue” edition gets many of the same things right, with a dark-enough tint that the exposed movement elements don’t overwhelm the design.
In fact, at some angles, the exposed movement looks more like a graphic element, akin to the Octo Finissimo Automatic BVL 138 Sketch. On the wrist, when the movement is not back-lit, the dial appears much darker, and the movement components are even less obvious.
This split personality extends to the overall format of the Promenade, which is conveniently sized at 38 mm and is about 11 mm thick. The latter dimension is a bit chunky for an automatic dress watch with a micro-rotor movement, but it gives the watch a robust, almost sporty feel. And the extra thickness likely contributes to the reassuring 50 m test depth.
An optional milanese-style steel bracelet completes the transformation from dressy to sporty, should one wish to do it all with one watch.
That versatility helps improve the value proposition, but it’s still hard to justify the retail price of US$40,300 for what is, at the end of the day, a time-only watch in stainless steel with an industrially finished movement.
Counterintuitively, this pricing underscores the value offered by blue-chip brands like Patek Philippe and A. Lange & Söhne. The Calatrava ref. 6007G-001 costs a little more, and Lange’s 1815 costs a little less, but both offer gold cases and more refined, better-finished movements.
Into the blue
The gradient fumé look of the transparent dial is achieved through metallisation, specifically by printing tiny dots — just eight microns in diameter — in different densities. The dots are more closely spaced toward the edge of the dial, which gives it its gradient appearance. Patek Philippe employs the same technique for the Retrograde Perpetual Calendar ref. 6159G.
Beyond the colour, there’s another subtle difference between the Aqua Blue model and the Viridian Green edition from 2024, which relates to the dial markers. The green version featured generic-looking applied metallic indices, while the blue edition features teal-blue lume blocks infused with Super-LumiNova. Naturally, this gives the watch more of a personality in low light, but it also suggests a keen understanding of colour theory.
The blue-on-blue look reminds me of an 1885 letter Vincent Van Gogh wrote to his brother Theo, in which he describes the special effect that can be achieved when two shades of the same colour are paired together — his letter specifically mentions combining light and dark blue. The glowing effect provided by this colour pairing is one application of the broader principle known as simultaneous contrast.
Unfortunately, because the dial is sapphire, the lume blocks are doubtless affixed to the dial surface with adhesive — this is almost always the case with sapphire dials. There’s nothing inherently wrong with this approach, which prevents the crystal dial from cracking, but it’s decidedly non-traditional and feels out of place in such an expensive product.
A movement designed to look good
The cal. SXH7 is the small-seconds version of the SXH5, an automatic micro-rotor calibre engineered for Czapek by independent constructor Daniel Martinez. It boasts a free-sprung balance and a comfortable 60-hour power reserve, but it’s a bit thick for a micro-rotor platform at 4.2 mm — about 75% thicker than similar movements from Patek Philippe, Vacheron Constantin, and Piaget.
Dimensions aside, the movement has an attractive layout and a few hand-polished details visible front and back. Moreover, it’s clear that several elements were designed specifically for this sapphire-dialled format.
The winding mass, for example, is engraved on the side that would normally be concealed by the main plate, and the brand’s wordmark and “queen bee” logo are likewise visible through the transparent dial.
Key facts and price
Czapek Promenade Transparencies Aqua Blue
Diameter: 38 mm
Height: 10.8 mm
Material: Stainless steel
Crystal: Sapphire
Water resistance: 50 m
Movement: SXH7
Functions: Hours, minutes, and seconds
Winding: Automatic
Frequency: 28,800 beats per hour (4 Hz)
Power reserve: 60 hours
Strap: Leather strap with pin buckle
Limited edition: 38 pieces
Availability: From Czapek.com and authorised retailers
Price: US$40,300 excluding taxes
For more information, visit Czapek.com.
Back to top.