At 42mm, this replica classic fusion 7170 42mm in reference 542.NX.7170.RX represents the standard-size titanium Classic Fusion with a rubber strap. The “RX” strap code distinguishes this from the leather-strapped “LR” variants sharing the same case and dial architecture, pushing the personality slightly more casual and sport-oriented. Titanium construction keeps the weight low relative to the case diameter, and the satin-finished surfaces give the watch a more industrial character than polished steel alternatives in the 542 series. Collectors comparing Classic Fusion references within the same size bracket often note the strap choice as the deciding factor between otherwise identical specifications.

Build Details

• Reference: 542.NX.7170.RX
• Case diameter: 42mm
• Case material: titanium (satin finish)
• Dial: sunburst with applied markers
• Crystal: sapphire with AR coating
• Strap: rubber with deployant clasp
• Movement: automatic
• Functions: hours, minutes, seconds, date

The rubber strap integrates into the case lugs using the same attachment geometry as leather and alligator options, meaning owners can swap between strap types if the clasp width matches.

What Collectors Notice

The 542.NX series sits at the center of the Classic Fusion range, both in size and material positioning. Titanium avoids the premium of gold and the common association of steel, occupying a technical middle ground that appeals to buyers who value material properties over metal prestige. The hublot classic fusion 42mm rubber format adds a utilitarian dimension that the leather variants lack. For a chronograph version with a carbon dial in the same size bracket, the 521.CM.1770.RX ceramic chronograph introduces significantly more dial complexity. Both sit within the broader Classic Fusion collection but serve different functional needs.

This vs Other Versions

Compared to the 541.NX.7170.LR that pairs the same titanium case with leather, this RX rubber version reads sportier on the wrist. The material combination of brushed titanium and textured rubber leans toward active wear and travel rather than formal settings. At 42mm the case remains versatile for most wrist sizes, avoiding the bold statement of 45mm chronographs while exceeding the compact dressy feel of 38mm options. This replica classic fusion 7170 42mm represents the practical core of the Classic Fusion range in its most casual strap configuration.