Hublot Classic Fusion Classic Fusion 45 Chronograph Ceramic - King Gold / Black

Reference 521.CO.1781.RX

About this watch

Welcome to the world of luxury timepieces! The Hublot Classic Fusion 45 Chronograph Ceramic - King Gold / Black is a statement piece that beautifully merges elegance with boldness. This watch isn't just a timekeeper, it's a masterpiece of craftsmanship and innovation, blending traditional techniques with modern aesthetics. With its unique blend of titanium and ceramic, the case measures 45 mm in diameter, ensuring durability without compromising on style. The matte finish adds an understated elegance, making it suitable for both formal occasions and casual outings. The black dial features a clear layout with stick and dot indexes that are easy to read, while the gold accents add a touch of luxury. At its core lies the Hublot caliber HUB1143 movement, an automatic chronograph that combines precision and reliability. With 42-hour power reserve and 28,800 vibrations per hour, this movement is as robust as it is refined. The watch offers hours, minutes, small seconds, and a date function within a beautifully crafted chronograph, perfect for timing laps or monitoring your day. Wearing the Hublot Classic Fusion 45 Chronograph is an experience in itself, with high-quality rubber straps offering exceptional comfort and flexibility. Whether you're looking to make a statement or simply keep track of time, this watch has it all.
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Key Features

  • Hublot caliber HUB1143 automatic chronograph movement
  • King Gold and matte black ceramic case
  • 42-hour power reserve and 28,800 vibrations per hour
  • Sapphire crystal glass with anti-reflective coating
  • 50-meter water resistance
  • High-quality rubber strap for exceptional comfort
  • Chronograph function for timing laps or monitoring your day

Specifications

Brand
Hublot
Family
Classic Fusion
Model
Classic Fusion 45 Chronograph Ceramic - King Gold / Black
Reference
521.CO.1781.RX
Movement
hub1143
Movement Features
  • Hours, Minutes, Small Seconds
  • Date
  • Chronograph
Case
45mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
50

Current Listings

[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
[WTS] Hublot Classic Fusion Orlinski 2021, $6000

Hublot Classic Fusion Orlinski 2021, $6000

A Hublot Classic Fusion Orlinski 2021 is being sold for $6,000. The watch comes with a box and a 2022 warranty.

  • Condition: Preowned
Posted at
Apr 28, 2026, 11:08 AM
Active
[WTS] 2020 HUBLOT Classic Fusion Blue Dial
​Ref: 565.NX.7170.LR | 38mm Titanium

2020 HUBLOT Classic Fusion Blue Dial ​Ref: 565.NX.7170.LR | 38mm Titanium

2020 HUBLOT Classic Fusion Blue Dial with a 38mm diameter titanium case.

  • Size: 38mm diameter
Posted at
Apr 26, 2026, 3:14 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