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
Hublot Big Bang Unico - 441.NM.1170.RX - Open Dial - Titanium / Ceramic - 42mm
This listing features a pre-owned Hublot Big Bang Unico watch with an open dial and titanium/ceramic construction, measuring 42mm in case size.
- Condition: Pre-Owned Excellent Grade
- Case Size: 42mm diameter
- Movement Type: Automatic
- Material: Titanium / Ceramic

Hublot Big Bang Unico Skeleton Dial Titanium FULL SET MINT 411.NX.1170.RX
This Hublot Big Bang Unico features a skeleton dial with a striking red tip on the second hand, housed in a satin finished and polished titanium case. It includes an exhibition caseback and comes equipped with functions such as hours, minutes, seconds, date, and chronograph counters.
- Condition: Mint
- Case material: titanium
- Diameter: not specified
- Water resistance: 100m depth rating

Hublot Big Bang Integrated Skeleton White Ceramic FULL SET MINT 451.HX.1123.HX
The Hublot Big Bang Integrated Skeleton White Ceramic is a chronograph watch made from polished and satin-finished white ceramic, featuring an integrated design with a matte grey skeleton dial and bold red accents. It presents precise chronograph measurements and includes functions such as hours, minutes, seconds, date, and chronograph counters.
- Condition: Mint condition with little to no signs of wear
- Material: polished and satin-finished white ceramic
- Case size: 40mm diameter
- Movement visibility: exhibition caseback

Hublot Spirit of Big Bang Carbon White Carbon 642.QW.0170.RX.THG
This limited-edition chronograph showcases a white skeleton dial housed in a tonneau-shaped frosted white carbon case, presenting itself as a practical tool for precise timing.
- Condition: Mint condition with little to no signs of wear
- Movement: Complex chronograph movement
- Water Resistance: 100m water resistant
- Power Reserve: 50 hour power reserve