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 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 radiates quiet power and sophistication with a polished rose gold case, diamond bezel, and black dial.

  • Condition: Excellent
  • Movement: Quartz Movement HUB2912
  • Case Size: 33mm diameter
  • Case Thickness: 7.65mm
Posted at
Feb 13, 2026, 9:08 AM
Active
[WTS] Hublot Classic Fusion Chronograph King Gold 42mm Black Dial 541.OX.1180.LR Watch

Hublot Classic Fusion Chronograph King Gold 42mm Black Dial 541.OX.1180.LR Watch

Hublot - 541.OX.1180.LR · $11,700
A Hublot Classic Fusion Chronograph King Gold watch features a 42mm 18K Rose Gold case, a black dial, and a new black rubber strap with 18K Rose Gold & PVD Steel deployant clasp. It has an automatic mechanical movement and is in nice preowned condition.

  • Condition: Preowned, nice condition with scratches on the case, bezel and clasp.
  • Case material: 18K Rose Gold
  • Diameter: 42mm
  • Bezel material: 18K Rose Gold
Posted at
Feb 12, 2026, 8:23 PM
Active
[WTS] Hublot Classic Fusion Titanium Green, 45mm, 511.NX.8970.RX, Box & Papers, Mint Condition

Hublot Classic Fusion Titanium Green, 45mm, 511.NX.8970.RX, Box & Papers, Mint Condition

This Hublot Classic Fusion Titanium Green is a stylish and high-end timepiece featuring a titanium case with a green dial.

  • Condition: Mint Condition
  • Case size: 45mm
Posted at
Feb 11, 2026, 11:40 AM
Active
[WTS] Hublot Classic Fusion, 38mm Titanium box & paper

Hublot Classic Fusion, 38mm Titanium box & paper

A Hublot Classic Fusion with a classic and classy design, featuring a 38mm titanium case. This watch offers a more refined style compared to the punk rock style of some other Hublot models.

  • Condition: great condition, minor signs of wear
  • Case size: 38mm
  • Strap type: OEM strap
Posted at
Feb 10, 2026, 6:29 PM
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 watch features a striking 45mm titanium case and is powered by Hublot's automatic chronograph movement, making it a sophisticated timepiece that blends elegance and precision.

  • Condition: Excellent, minimal signs of wear
  • Case size: 45mm diameter
  • Depth rating: 30m water resistance
Posted at
Feb 10, 2026, 9:44 AM
Active
[WTS] Hublot Classic Fusion - 38mm - Titanium - Black dial Ref: 565.NX.1171.RX

Hublot Classic Fusion - 38mm - Titanium - Black dial Ref: 565.NX.1171.RX

Hublot - 565.NX.1171.RX · $4,498
This is a beautifully crafted 38mm Hublot Classic Fusion with a black dial, straddling the line between men's and women's watches.

  • Condition: Very good pre-owned condition
  • Case size: 38mm diameter
  • Case material: Titanium
  • Includes: Watch,Inner box,Outer box,Warranty card,Warranty sleeve,Branded polish cloth
Posted at
Feb 8, 2026, 2:32 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 polished 18k King Gold case, black dial, and 36 brilliant-cut diamonds.

  • Condition: Excellent condition with little to no signs of wear
  • Movement: Quartz HUB2912 movement
  • Case size: 33mm diameter
  • Case material: 18kt Rose Gold
Posted at
Feb 6, 2026, 8:25 AM
Active
[WTS] Hublot Classic Fusion Chronograph Titanium Racing Gray with Grey Alligator Strap Complete Set Box, Papers & Purchase Receipt

Hublot Classic Fusion Chronograph Titanium Racing Gray with Grey Alligator Strap Complete Set Box, Papers & Purchase Receipt

Hublot - 521.NX.7071.LR · $6,497
The Hublot Classic Fusion Chronograph Titanium features a 45mm titanium case, slate grey dial with subtle sunburst finish, and HUB1143 self-winding chronograph movement. It has a 42-hour power reserve and comes on a premium Gray Alligator strap.

  • Condition: Excellent - serviced, polished, and ready to go out of the box
  • Case Size: 45mm
  • Diameter: 45mm diameter
  • Movement Power Reserve: 42-hour power reserve
Posted at
Feb 2, 2026, 10:05 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