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 Blue 42mm Ref 542.CM.7170.LR

Hublot Classic Fusion Blue 42mm Ref 542.CM.7170.LR

Hublot - 542.CM.7170.LR · $4,500
This is a Hublot Classic Fusion Blue 42mm watch in preowned condition, featuring a ceramic case and blue dial.

  • Condition: Preowned, clean condition with minimal to no hairline scratches
  • Case material: ceramic
  • Bracelet condition: good shape
Posted at
Jan 21, 2026, 8:41 AM
Active
[WTS] Hublot Classic Fusion - 2017 - Full Kit - 45 - 521.NX.2611.LR

Hublot Classic Fusion - 2017 - Full Kit - 45 - 521.NX.2611.LR

Hublot - 521.NX.2611.LR · $6,747
This Hublot Classic Fusion Chronograph features a 45mm titanium case and an opaline white dial powered by an automatic chronograph movement. It comes in excellent condition and is part of a full kit including original box, inner box, instruction booklet, warranty card, and accessories.

  • Condition: Excellent, with minimal signs of wear
  • Case size: 45mm diameter
  • Movement: automatic chronograph
Posted at
Jan 19, 2026, 1:53 PM
Active
[WTS] Hublot Classic Fusion Chronograph 45mm Titanium Blue Dial 521.NX.7170.LR

Hublot Classic Fusion Chronograph 45mm Titanium Blue Dial 521.NX.7170.LR

Hublot - 521.NX.7170.LR · $6,799
This Hublot Classic Fusion features a lightweight titanium case paired with a rich blue dial and matching blue leather strap, giving it a sleek and versatile look.

  • Condition: Very good pre-owned condition
  • Case material: Titanium
  • Dial color: Blue
  • Crystal type: Sapphire scratch resistant
Posted at
Jan 18, 2026, 11:23 PM
Active
[WTS] Hublot Classic Fusion. Ultra Thin. Titanium. Full Kit.

Hublot Classic Fusion. Ultra Thin. Titanium. Full Kit.

Hublot - 545.NX.2210.LR · $4,800
a Hublot Classic Fusion Ultra Thin watch with a white dial and brown leather strap, featuring an ultra-thin design and titanium construction.

  • Case material: titanium
  • Strap type: brown leather
  • Box and papers included: true
Posted at
Jan 18, 2026, 4:11 PM
Active
[WTS] Hublot Classic Fusion - 565.NX.1171.RX - Full Set - $4,100 + label.

Hublot Classic Fusion - 565.NX.1171.RX - Full Set - $4,100 + label.

Hublot - 565.NX.1171.RX · $4,100
This is a Hublot Classic Fusion watch in great condition, featuring a 38mm case diameter.

  • Condition: great condition
  • Case diameter: 38mm
  • Contents: Full Set - Box, Papers, Warranty Card
Posted at
Jan 16, 2026, 7:28 PM
Active
[WTS] Hublot Classic Fusion 33mm Quartz Rose Gold Diamond Bezel 581.OX.1181.RX1104 Box & Papers

Hublot Classic Fusion 33mm Quartz Rose Gold Diamond Bezel 581.OX.1181.RX1104 Box & Papers

The Hublot Classic Fusion Quartz in rose gold with diamond bezel radiates quiet power and sophistication, featuring a minimalist black dial and slim profile.

  • Condition: Excellent condition with little to no signs of wear
  • Movement: Quartz Movement Caliber: HUB2912
  • Power reserve: 3 to 5 Years
  • Case size: 33mm diameter
Posted at
Jan 16, 2026, 8:15 AM
Active
[WTS] Hublot Classic Fusion - 2017 - Full Kit - 45 - 521.NX.2611.LR

Hublot Classic Fusion - 2017 - Full Kit - 45 - 521.NX.2611.LR

Hublot - 521.NX.2611.LR · $6,997
This Hublot Classic Fusion Chronograph features a 45mm titanium case, opaline white dial, and automatic chronograph movement.

  • Condition: Excellent, with a couple of hairline scratches on the case
  • Case size: 45mm diameter
  • Movement type: automatic chronograph
Posted at
Jan 11, 2026, 8:47 PM
Active
[WTS] Hublot Classic Fusion 33mm Quartz Rose Gold Diamond Bezel 581.OX.1181.RX1104 Box & Papers

Hublot Classic Fusion 33mm Quartz Rose Gold Diamond Bezel 581.OX.1181.RX1104 Box & Papers

A masterclass in refined glamour, the Hublot Classic Fusion Quartz in rose gold with diamond bezel radiates quiet power and sophistication.

  • Condition: excellent condition
  • Movement type: Quartz Movement
  • Case size diameter: 33mm
  • Case thickness: 7.65mm
Posted at
Jan 9, 2026, 8:34 AM
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