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 44mm King Gold Black Ceramic Big Bang Unico 421.OM.1180.RX with Warranty until 2026

Hublot 44mm King Gold Black Ceramic Big Bang Unico 421.OM.1180.RX with Warranty until 2026

Hublot - 421.OM.1180.RX · $20,297
A substantial yet wearable 44mm King Gold and Ceramic Big Bang Unico with a skeletonized dial and interchangeable straps.

  • Condition: Like New
  • Materials: King Gold, Ceramic
  • Size: 44mm diameter
  • Movement: In-house Unico chronograph
Posted at
May 1, 2025, 11:38 AM
Active
[WTS] Hublot Spirit of Big Bang Unico 42mm 642.NL.7170.RX Blue Ceramic Chronograph HUB4700 movement

Hublot Spirit of Big Bang Unico 42mm 642.NL.7170.RX Blue Ceramic Chronograph HUB4700 movement

Hublot - 642.NL.7170.RX · $15,900
This Hublot Spirit of Big Bang Unico features a 42mm polished and satin-finished blue ceramic case with a skeletonized dial and luminous accents. It houses the HUB4700 automatic movement, ensuring precise chronograph functionality.

  • Condition: Very New, with 1 year warranty
  • Case Size: 42mm
  • Material: Blue ceramic
  • Movement: HUB4700 automatic chronograph
Posted at
May 1, 2025, 11:29 AM
Active
[WTS]  ⌚ Hublot Spirit of Big Bang 601.CI.0110.RX – Limited to 500 Pieces – Full Set – 💵 $13,100

⌚ Hublot Spirit of Big Bang 601.CI.0110.RX – Limited to 500 Pieces – Full Set – 💵 $13,100

Hublot - 601.CI.0110.RX · $13,100
Up for sale is my **Hublot Spirit of Big Bang**, a stunning timepiece limited to just 500 pieces worldwide.

  • Condition: Great - lightly worn with only minor signs of wear
  • Limited production run: 500 pieces
  • Included accessories: original box, warranty card
Posted at
Apr 29, 2025, 4:50 AM
Active
Hublot Big Bang Meca-10 Limited Edition All Black Full Set – 414.CI.1110.RX

Hublot Big Bang Meca-10 Limited Edition All Black Full Set – 414.CI.1110.RX

Hublot - 414.CI.1110.RX · $16,495.002
This Hublot Big Bang Meca-10 Limited Edition All Black Full Set is a rare and highly collectible timepiece that embodies cutting-edge engineering and striking design.

  • Movement: Meca-10, in-house manufactured, hand-wound skeleton movement with 10-day power reserve
  • Case size: 45mm diameter
Posted at
Apr 27, 2025, 4:21 PM
Active
Hublot Big Bang 44 Original Steel Diamonds $20K MSRP Complete 301.SX.130.RX.114

Hublot Big Bang 44 Original Steel Diamonds $20K MSRP Complete 301.SX.130.RX.114

Hublot - 301.SX.130.RX.114 · $10,295.001
This is a Hublot Big Bang 44 Original Steel Diamonds watch with Lacquered Black Dial and Hublot Factory-Set 114 Diamond Bezel on Black Hublot Structured Rubber. It has an original MSRP of $20,100 and arrives with original Hublot boxes and papers.

  • Condition: Good condition with minor wear including minor dings on the bottom lugs
  • Case diameter: 44mm
  • Case material: Polished & Brushed Stainless Steel
  • Case thickness: 14.5mm
Posted at
Apr 27, 2025, 3:57 PM
Active
Hublot Big Bang Unico Black Magic 42 mm Matte Ceramic $23K MSRP 441.CI.1170.RX

Hublot Big Bang Unico Black Magic 42 mm Matte Ceramic $23K MSRP 441.CI.1170.RX

Hublot - 441.CI.1170.RX · $11,495.001
The Hublot Big Bang Unico Black Magic features a Microblasted & Polished Black Ceramic case and a Matte Black & Skeleton dial on a Black Hublot Rubber strap. It is powered by the Automatic Hublot Caliber HUB1280 movement.

  • Condition: Great condition with minor wear
  • Case Diameter: 42.00 mm
  • Water Resistance Depth Rating: 330FT / 100M
  • Power Reserve: 72 Hours
Posted at
Apr 27, 2025, 3:54 PM
Active
WTS LNIB Hublot Big Bang Unico Black Magic 44mm Black Ceramic Flyback Chronograph Skeleton 421.CI.1170.RX June 2023 Complete

WTS LNIB Hublot Big Bang Unico Black Magic 44mm Black Ceramic Flyback Chronograph Skeleton 421.CI.1170.RX June 2023 Complete

Hublot - 421.CI.1170.RX · $10,750.001
A Hublot Big Bang Unico Black Magic Chronograph featuring a black ceramic case and skeleton dial, powered by the in-house HUB-1280 movement with fly-back chronograph function.

  • Condition: Like New
  • Case material: Black Ceramic
  • Bezel condition: Flawless
  • Clasp material: Titanium DLC
Posted at
Apr 27, 2025, 12:30 PM
Active
Hublot Big Bang 44 Rose Gold White Dial $44K MSRP Diamonds 301.PE.2180.RW.1104

Hublot Big Bang 44 Rose Gold White Dial $44K MSRP Diamonds 301.PE.2180.RW.1104

Hublot - 301.PE.2180.RW.1104 · $19,995.002
This Hublot Big Bang 44 in 18K Rose Gold features a FACTORY-SET Hublot Diamond Bezel and White Dial on White Hublot Rubber. It is ready to be worn and has great timekeeping.

  • Condition: Phenomenal condition with only very minor wear
  • Band material: White Hublot Rubber
  • Bezel type: Fixed Brushed 18K Rose Gold & 114 Factory-Set Hublot Diamonds
  • Case diameter: 44.00 mm
Posted at
Apr 26, 2025, 12:28 AM
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