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] Hublot Classic Fusion Racing Grey 42mm - 542.nx.7071.LR

Hublot Classic Fusion Racing Grey 42mm - 542.nx.7071.LR

Hublot - 542.NX.7071.LR · $4,850
This is a 42mm titanium automatic on black rubber strap with grey sunray dial and date, perfect as a daily-wear Hublot for someone who wants a clean, modern look without going oversized.

  • Case material: titanium
  • Case size: 42mm diameter
  • Dial color: grey sunray
Posted at
Dec 22, 2025, 3:15 PM
Active
[WTS] Hublot Classic Fusion - 38mm - Titanium

Hublot Classic Fusion - 38mm - Titanium

Hublot - 565.NX.1171.LR · $3,900
The Hublot Classic Fusion 38mm Titanium is a sleek and understated watch that combines the lightweight durability of titanium with a 38mm case.

  • Condition: good condition, showing some wear and light scratches from normal use
  • Case Size: 38mm diameter
  • Movement: HUB1110 self-winding movement
Posted at
Dec 17, 2025, 6:10 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
Hublot Classic Fusion Automatic 42mm Ceramic/18K 542.co.1781.rx

Hublot Classic Fusion Automatic 42mm Ceramic/18K 542.co.1781.rx

Hublot - 542.co.1781.rx · $6,630
A Hublot Classic Fusion Automatic 42mm Ceramic/18K watch, a men's size timepiece with date function.

  • Condition: 95%
  • Case material: Ceramic / 18K
  • Movement type: Mechanical Automatic
Posted at
Mar 17, 2025, 11:38 AM
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 Hublot Classic Fusion features a striking green sunray dial, encased in a satin-finished titanium case. It has a 45mm diameter and is equipped with functions including hours, minutes, seconds, date, and chronograph counters.

  • Condition: Brand new and unworn
  • Case material: Titanium
  • Bezel finish: Satin-finished and high polished
Posted at
Mar 6, 2025, 6:58 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 Hublot Classic Fusion features a striking green sunray dial, satin-finished titanium case, and a dynamic presence.

  • Condition: Brand new and unworn
  • Case size: 45mm diameter
  • Water resistance: Unknown
  • Luminous feature: Yes, hour and minute hands and markers remain visible in low-light conditions
Posted at
Feb 19, 2025, 9:02 AM
Active