Hublot Classic Fusion Classic Fusion 45 Chronograph Titanium / Blue / Rubber

Reference 521.NX.7170.RX

About this watch

The Hublot Classic Fusion 521.NX.7170.RX is a statement piece that embodies luxury and precision. With its striking blue sunburst dial, lightweight titanium case, and sapphire crystal, this watch exudes elegance and sophistication. The HUB1143 caliber movement provides reliability and precision, making it perfect for everyday wear. The chronograph feature allows you to time events with precision, while the date function adds a layer of practicality to the luxury. With its versatility and high-quality craftsmanship, this watch is ideal for those who appreciate bold aesthetics and want a piece that stands out. Whether you're dressing up or heading out for brunch, this watch will elevate your look and keep you on time.
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Key Features

  • Hublot caliber HUB1143 movement
  • 45mm titanium case with sunburst blue dial
  • Sapphire crystal for crystal-clear visibility
  • 50m water resistance for everyday wear
  • Chronograph feature for precise timing
  • Date function for convenient date display
  • 42-hour power reserve for reliable operation

Specifications

Brand
Hublot
Family
Classic Fusion
Model
Classic Fusion 45 Chronograph Titanium / Blue / Rubber
Reference
521.NX.7170.RX
Movement
hub1143
Movement Features
  • Hours, Minutes, Small Seconds
  • Date
  • Chronograph
Case
45mm
Dial Color
Blue
Crystal
Sapphire
Water Resistance
50

Current Listings

[WTS] Hublot Classic Fusion Aerofusion Black Magic 525.CM.0170.RX — $9,000— Utah — Fully Insured FedEx

Hublot Classic Fusion Aerofusion Black Magic 525.CM.0170.RX — $9,000— Utah — Fully Insured FedEx

Hublot - 525.CM.0170.RX · $9,000
The Hublot Classic Fusion Aerofusion Black Magic features a black ceramic case and bezel, paired with a black skeletonized dial that showcases the open-worked chronograph mechanism.

  • Condition: Excellent, minor signs of use on rubber strap
  • Case size: 45mm diameter
  • Dial type: Black Skeletonized
  • Bracelet material: Black Rubber Strap
Posted at
May 12, 2026, 9:27 PM
Active
[WTS] Hublot Classic Fusion – 🔮 'Black Magic' – Full Ceramic – 42mm

Hublot Classic Fusion – 🔮 'Black Magic' – Full Ceramic – 42mm

Hublot - 542 CM 1770 CM · $6,800
The Hublot Classic Fusion 'Black Magic' is a stealthy, all-black take on the brand's modern minimalist design. The watch features a full black ceramic execution, with a lightweight and scratch-resistant feel.

  • Case material: full black ceramic
  • Bracelet material: black ceramic
  • Diameter: 42mm
Posted at
May 12, 2026, 11:48 AM
Active
[WTS] 2025 Hublot Classic Fusion Aerofusion "Black Magic" Ref. 525.CM.0170.RX - Watch/ Boxes / e-Warranty

2025 Hublot Classic Fusion Aerofusion "Black Magic" Ref. 525.CM.0170.RX - Watch/ Boxes / e-Warranty

Hublot - 525.CM.0170.RX · $9,997
This watch is a 2025 Hublot Classic Fusion Aerofusion "Black Magic" still under full factory warranty until July 2028.

  • Condition: Almost new
  • Boxes: 2
  • Warranty: until July 2028
  • Shipping: FedEx Overnight, fully insured
Posted at
May 6, 2026, 6:29 PM
Active
[WTS] Hublot Classic Fusion “Berluti All Black” 45MM Full Set Ref. 511.CM.0500.VR.BER16 - $5,700

Hublot Classic Fusion “Berluti All Black” 45MM Full Set Ref. 511.CM.0500.VR.BER16 - $5,700

Limited to 500 pieces worldwide, complete set with no case damage.

  • Condition: Very clean condition with minimal signs of wear
  • Production run size: limited to 500 pieces worldwide
  • Damage: no major nicks or dents on the case
Posted at
May 5, 2026, 10:21 PM
Active
[WTS] Hublot Orlinski Classic Fusion Ti Under Warranty Box & Digital Cert

Hublot Orlinski Classic Fusion Ti Under Warranty Box & Digital Cert

This Hublot Classic Fusion was designed in collaboration with French sculptor Richard Orlinksi and features a unique optical illusion dial.

  • Condition: Excellent
  • Case Dimensions: 40 x 45 x 11.5mm
  • Bracelet Size Fit: up to 7-1/8 inches wrist
Posted at
May 5, 2026, 1:23 PM
Active
NEW UNWORN Hublot Classic Fusion Green Sunray Titanium FULL SET 521.NX.8970.LR

NEW UNWORN Hublot Classic Fusion Green Sunray Titanium FULL SET 521.NX.8970.LR

Hublot - 521.NX.8970.LR · $9,622
The Hublot Classic Fusion features a striking green sunray dial and a satin-finished titanium case that creates a dynamic presence.

  • Condition: Unworn
  • Case material: titanium
  • Bezel finish: satin-finished and high polished
  • Diameter: 45mm
Posted at
Apr 1, 2025, 8:37 PM
Active
NEW UNWORN Hublot Classic Fusion 45MM Green Sunray Dial Titanium 521.NX.8970.LR

NEW UNWORN Hublot Classic Fusion 45MM Green Sunray Dial Titanium 521.NX.8970.LR

Hublot - 521.NX.8970.LR · $9,622
The Hublot Classic Fusion features a striking green sunray dial and a satin-finished titanium case that creates a dynamic presence. This timepiece is designed for an active lifestyle while radiating luxury.

  • Condition: New, unworn
  • Case material: titanium
  • Case size: 45mm diameter
  • Bezel finish: satin-finished and high polished
Posted at
Mar 31, 2025, 8:59 PM
Active
NEW UNWORN Hublot Classic Fusion Green Sunray Titanium FULL SET 521.NX.8970.RX

NEW UNWORN Hublot Classic Fusion Green Sunray Titanium FULL SET 521.NX.8970.RX

Hublot - 521.NX.8970.RX · $9,622
The watch features a striking, vibrant green sunray dial, a satin-finished titanium case that catches the light from every angle, and a 45mm diameter case.

  • Condition: Unworn
  • Case material: Satin-finished titanium
  • Bezel finish: High polished satin-finished
  • Movement: Chronograph
Posted at
Mar 31, 2025, 2:06 PM
Active
Hublot Classic Fusion Aerofusion Chrono 525.NX.0170.LR Titanium Mint + Warranty

Hublot Classic Fusion Aerofusion Chrono 525.NX.0170.LR Titanium Mint + Warranty

The Hublot Classic Fusion Aerofusion Chrono is a high-end watch with a titanium case and a 45mm diameter. It features a green strap and comes with a complete set, including a 2018 warranty.

  • Condition: Mint condition
  • Case size: 45mm diameter
  • Material: Titanium
  • Strap color: Green
Posted at
Mar 28, 2025, 10:00 AM
Active