BLS New Release – Patek Philippe Grand Complications 6102-6104 [Steel Bracelet]
The Celestial is a masterpiece of astronomical artistry, capturing the intricate ballet of the heavens. Its mobile sky chart reproduces the visible movement of stars and shows the Moon’s position and phases.
Sky Window: An ellipse on the underside of the watch crystal defines the visible sky above Geneva and all cities on the same latitude.
Date Display: Indicated by a central hand rotating along the dial circumference.
Movement: Equipped with the Cal.240 pearl rotor ultra-thin movement
Dimensions: 43.1mm diameter, only 11mm thick
Moon Phase: The moon phase on the dial mirrors the lunar cycle: New Moon → Waxing Crescent → First Quarter → Waxing Gibbous → Full Moon → Waning Gibbous → Last Quarter → Waning Crescent → New Moon, completing a full cycle approximately every month.
Bracelet Upgrade: Now available in a steel bracelet; purchasing includes an original leather strap buckle as shown.
BLS Factory presents this exquisite men’s mechanical watch, perfectly blending astronomical complexity with wearable elegance.




