Description
The Hublot Big Bang Unico 42mm Reference 441.NL.5171.RX represents the modern evolution of Hublot’s flagship chronograph — bold, technical, and unmistakably contemporary.
This 2023 example is presented in like-new condition with no visible signs of wear. The case, bezel, crystal, strap, and clasp remain exceptionally clean. It includes the original Hublot presentation box, original receipt, and virtual warranty card — a complete full set.
The 42mm titanium case offers ideal proportions for daily wear while maintaining strong wrist presence. The matte blue ceramic bezel adds depth and contrast, showcasing Hublot’s signature “Art of Fusion” design language.
The openworked blue skeleton dial reveals the in-house HUB1280 Unico automatic flyback chronograph movement. This modern column-wheel chronograph is visible through the dial side and delivers:
• 72-hour power reserve
• 43 jewels
• Flyback chronograph functionality
• Column-wheel construction
The blue rubber strap with titanium deployant clasp completes the sporty yet refined aesthetic.
This is one of the most versatile modern Big Bang executions — wearable size, premium materials, and full in-house movement architecture.
Specifications
• Reference: 441.NL.5171.RX
• Case Size: 42mm
• Case Material: Titanium
• Bezel: Blue Ceramic
• Dial: Skeletonized Blue
• Movement: HUB1280 Automatic Flyback Chronograph
• Power Reserve: 72 Hours
• Water Resistance: 100 meters / 10 ATM
• Strap: Blue Rubber
• Clasp: Titanium Deployant
• Year: 2023
• Condition: Like New
A modern Hublot with strong collector appeal and daily wear practicality.
