Unworn Hublot Big Bang Meca-10 King Gold 42, 444.OX.1180.RX, box and papers

The Hublot Big Bang Meca-10 King Gold 42 mm is an exceptional fusion of advanced mechanical engineering and bold luxury. Crafted from Hublot’s proprietary King Gold—a warm-toned alloy enriched with platinum—this timepiece boasts a striking openworked dial revealing the manual-winding HUB1205 caliber. Showcasing a unique 10-day power reserve displayed via a rack-and-pinion-style indicator, this watch blends architectural complexity with everyday functionality. The 42 mm case size offers a refined profile while maintaining the bold identity of the Big Bang collection. Paired with a black structured rubber strap and a King Gold deployant clasp, this model is a true statement of modern haute horlogerie.

Technical Data
• Movement
– Caliber: HUB1205
– Type: Manual-winding mechanical
– Functions: Hours, minutes, power reserve indicator
– Power reserve: 10 days
– Frequency: 21,600 vph (3 Hz)

Case
– Material: Polished and satin-finished 18K King Gold
– Bezel: Satin-finished King Gold with black composite resin lower bezel
– Crystal: Sapphire with anti-reflective coating
– Caseback: Sapphire crystal, exhibition
– Water resistance: 100 m

Dimensions
– Diameter: 42 mm
– Thickness: Approx. 14.8 mm

Strap
– Type: Rubber strap
– Material: Black structured rubber
– Buckle: 18K King Gold and black PVD titanium deployant clasp