Hublot Big Bang Big Bang Alarm Repeater Titanium

Reference 403.NM.0123.RX

About this watch

The Hublot Big Bang Alarm Repeater Titanium (Model: 403.NM.0123.RX) is a masterpiece of luxury watchmaking. This limited edition timepiece, produced in only 250 units, showcases the brand's commitment to quality and craftsmanship. At its heart lies the Hublot caliber HUB5003, a hand-wound movement that boasts a 72-hour power reserve and a frequency of 28,800 vibrations per hour. The watch features a stunning combination of titanium and ceramic, providing both durability and a sleek, modern aesthetic. With a diameter of 45 mm, it makes a bold statement on the wrist, while its lightweight titanium ensures comfort even for larger watches. Protected by a scratch-resistant sapphire crystal, this timepiece is not only visually striking but also built to withstand daily wear. The Big Bang Alarm Repeater Titanium offers an array of functions, including hours, minutes, and small seconds, as well as an adjustable 24-hour hand and date display. Its standout feature, however, is its alarm function, which produces a distinct sound when activated. This watch is more than just a timepiece; it's a statement that embodies the essence of luxury watchmaking.
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Key Features

  • Hand-wound movement (HUB5003)
  • 72-hour power reserve
  • 28,800 vibrations per hour
  • Titanium and ceramic construction
  • 45mm diameter
  • Sapphire crystal protection
  • Adjustable 24-hour hand and date display
  • Alarm function with steel hammer strike

Specifications

Brand
Hublot
Family
Big Bang
Model
Big Bang Alarm Repeater Titanium
Reference
403.NM.0123.RX
Movement
hub5003
Movement Features
  • Hours, Minutes, Small Seconds, Additional 24 Hour Hand (adjustable), Day / Night Indication
  • Date
  • Alarm
Case
45mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
100

Current Listings

[WTS] Hublot Big Bang Gold Ceramic 18K Rose Gold 44mm 301.PB.131.RX with Box

Hublot Big Bang Gold Ceramic 18K Rose Gold 44mm 301.PB.131.RX with Box

Hublot - 301.PB.131.RX · $11,545
This Hublot Big Bang Gold Ceramic features a 44mm 18K Rose Gold and black ceramic case, paired with a black carbon fiber dial and rose gold hands. It includes an automatic mechanical chronograph movement and comes with its original box.

  • Condition: Pre-owned with light scratches on the 18K gold case & bracelet
  • Case material: 18K Rose Gold & Black Ceramic
  • Case dimensions: 44mm diameter
  • Bezel type: Fixed Bezel
Posted at
Dec 30, 2025, 6:59 PM
Active
[WTS] 2024 Hublot Spirit of Big Bang Titanium White 42mm

2024 Hublot Spirit of Big Bang Titanium White 42mm

This 2024 Hublot Spirit of Big Bang Titanium White 42mm features a skeleton dial and sapphire caseback, showcasing its beautiful movement and craftsmanship. It is extremely comfortable to wear.

  • Condition: Excellent condition
  • Case material: Titanium
  • Case size: 42mm diameter
Posted at
Dec 22, 2025, 8:46 AM
Active
[WTS] Hublot Big Bang Automatic Chronograph on Rubber Strap 44mm Full Set 301.SM.1770.RX

Hublot Big Bang Automatic Chronograph on Rubber Strap 44mm Full Set 301.SM.1770.RX

Hublot - 301.SM.1770.RX · $6,500
a Hublot Big Bang Automatic Chronograph on a rubber strap, measuring 44mm in diameter.

  • Condition: Good condition with normal signs of wear
  • Case size: 44mm diameter
Posted at
Dec 20, 2025, 6:17 PM
Active
[WTS] Hublot Big Bang 41mm Steel Diamond - Ref. 341.SX.130.RX.114 - $7500 shipped

Hublot Big Bang 41mm Steel Diamond - Ref. 341.SX.130.RX.114 - $7500 shipped

Selling a beautiful Hublot Big Bang 41mm Steel Diamond Bezel in very good condition.

  • Condition: Very good condition, with minor scratches on caseback
  • Case size: 41mm diameter
  • Band: Original rubber Hublot band
Posted at
Dec 18, 2025, 8:30 PM
Active
[WTS] Hublot Big Bang Chronograph Tantalum Gray Dial 44mm Automatic 301.AI.460.RX

Hublot Big Bang Chronograph Tantalum Gray Dial 44mm Automatic 301.AI.460.RX

Hublot - 301.AI.460.RX · $10,000
This is a Hublot Big Bang Chronograph featuring a Tantalum case, Gray dial, and Automatic movement. It has a substantial weight of 200 grams due to the Tantalum material.

  • Condition: Pre-owned with typical cosmetic wear
  • Case Weight: 200 grams
  • Water Resistance: 100 Meters
  • Straps: [object Object],[object Object]
Posted at
Dec 18, 2025, 2:51 PM
Active
Hublot Big Bang Chronograph Black Dial 44MM 301.SX.130.RX

Hublot Big Bang Chronograph Black Dial 44MM 301.SX.130.RX

Hublot - 301.SX.130.RX · $5,850
This Hublot Big Bang Chronograph features a black dial and measures 44mm in size.

  • Condition: 95%
  • Case material: Stainless Steel
  • Movement type: Mechanical Automatic
Posted at
Apr 5, 2025, 1:33 PM
Active
Hublot Big Bang Unico �King Gold� Skeleton Rose Gold Ceramic 411.OX.1180.RX

Hublot Big Bang Unico �King Gold� Skeleton Rose Gold Ceramic 411.OX.1180.RX

The Hublot Big Bang Unico 'King Gold' in Rose Gold features a blend of 18K gold and platinum, with an intricate skeleton dial showcasing the movement inside.

  • Condition: Mint condition
  • Case material: 18K gold and platinum
  • Diameter: 40mm (case diameter)
  • Movement: exhibition caseback shows the movement inside
Posted at
Apr 1, 2025, 7:32 PM
Active
Hublot Spirit of Big Bang Blue on White Ceramic FULL SET MINT 641.EX.5129.LR

Hublot Spirit of Big Bang Blue on White Ceramic FULL SET MINT 641.EX.5129.LR

Hublot - 641.EX.5129.LR · $27,500
The Hublot Spirit of Big Bang Blue on White Ceramic is a limited edition watch released in 2018 as part of a run of just 100 pieces. It features a grey skeleton dial and blue ring counters, with a vibrant blue ceramic case that embodies the brand's 'Art of Fusion' philosophy.

  • Condition: Mint condition, little to no signs of wear
  • Case material: Microblasted blue ceramic
  • Diameter: not specified
  • Strap material: White rubber
Posted at
Apr 1, 2025, 7:16 PM
Active
Hublot Spirit of Big Bang Blue Chrono 42mm � BOX & PAPERS � 641.NX.7170.LR

Hublot Spirit of Big Bang Blue Chrono 42mm � BOX & PAPERS � 641.NX.7170.LR

Hublot - 641.NX.7170.LR · $15,250
This Hublot Spirit of Big Bang Blue Chrono 42mm is a unique and bold timepiece that stands out with its tonneau shape, titanium case, and blue accents. It features a 42-millimeter diameter case, 50-hour power reserve, and comes with both HHB blue leather and HB white rubber straps.

  • Condition: Excellent with little visible wear
  • Case material: Titanium
  • Case diameter: 42mm
  • Power reserve: 50 hours
Posted at
Mar 27, 2025, 2:27 PM
Active