review
Roger Dubuis Excalibur Biretrograde Perpetual Calendar Review
The Roger Dubuis Excalibur Biretrograde Perpetual Calendar blends the brand’s signature biretrograde calendar format with the modern Excalibur case, delivering a lavishly layered dial featuring “Astral Blue” mother‑of‑pearl inlays, a striking pink‑gold moon phase, and finely finished snail cams for day and date. Housed in a