WATCH BUYER · AI
Hublot Classic Fusion Chronograph Titanium 45 — 521.NX.7071.LR

Hublot

Classic Fusion Chronograph Titanium 45

521.NX.7071.LR

Titanium discipline meets bi-compax chronograph in the Classic Fusion idiom.

Estimated market value
$6,350
Confidence: High
Original retail: $8,900

An estimate from current market data — not an offer. Your actual value depends on condition, completeness, and authentication.

Get an instant offer

Free insured shipping. Paid within 48 hours of inspection.

Overview

The Hublot Classic Fusion Chronograph Titanium 45 (ref. 521.NX.7071.LR) pairs a 45 mm satin-finished titanium case with a sunray racing-grey dial arranged in a clean bi-compax layout. Calibre HUB1143 powers the chronograph function, reflecting Hublot's in-house movement development within the Classic Fusion line. The result is a sports-inflected chronograph that retains the architectural restraint the Classic Fusion collection is known for.

History

The Classic Fusion line was conceived as a more understated counterpart to Hublot's boldly avant-garde Big Bang, emphasising cleaner case geometry and a refined material palette. Reference 521.NX.7071.LR entered the collection in 2014 and has remained a continuous offering, demonstrating the enduring appeal of titanium as a case material for a wearable, large-format chronograph. Within the collector community the reference is regarded as an accessible entry point into Hublot's in-house chronograph movements.

Notable points

  • 45 mm titanium case keeps the watch notably light on the wrist despite its substantial diameter.
  • Sunray racing-grey dial finish shifts subtly under changing light, giving the surface visual depth.
  • Bi-compax subdial arrangement — running seconds at 9 o'clock, 30-minute counter at 3 o'clock — keeps the dial uncluttered.
  • Calibre HUB1143 is an in-house column-wheel chronograph movement, underscoring Hublot's vertical integration.
  • Introduced in 2014, the reference has maintained continuous production, a mark of sustained commercial and aesthetic relevance.

Specifications

Brand
Hublot
Collection
Classic Fusion
Reference
521.NX.7071.LR
Years of production
2014 – present
Case
45mm titanium
Case material
Titanium
Case diameter
45 mm
Movement
Cal. HUB1143
Crystal
Sapphire
Dial
Sunray racing grey, bi-compax
Bezel
Polished titanium with H-screws
Bracelet / strap
Grey leather/rubber strap
Water resistance
50 m
Power reserve
42 h
Complications
Chronograph, Date, Small seconds
Type
Chronograph
Worn as
Men's
Also known as
Racing Grey, クラシックフュージョン, 经典融合

Related watches