Hublot · Big Bang
Strap for Big Bang Alarm Repeater King Gold
Takes 24 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
24mm
Lug width24 mm
Case diameter45 mm
Reference403.OM.0123.RX
FamilyBig Bang
MovementHublot caliber HUB5003
Hours, Minutes, Small Seconds, Additional 24 Hour Hand (adjustable), Day / Night Indication | Date | Alarm
CaseCeramic, Rose Gold
Straps for the Big Bang 403.OM.0123.RX
Selected for the 24 mm lug width · workshop selection
Millenium Cognac Alligator Strap€270
Matte Blue Alligator Strap€270
Vintage Black Calfskin Leather Strap€80
Hammered Calfskin Strap Light Blue€98
Hammered Calfskin Watch Strap Green with Ecru Stitching€98
The Big Bang 403.OM.0123.RX, seen from the bench
The Big Bang was introduced by Hublot in 2005 as a large-sized sports watch. It features the HUB5003 caliber with functions such as hours, minutes, small seconds, adjustable second time zone, day/night indicator, date, and alarm. The reference 403.OM.0123.RX features a multi-material construction in line with the brand's "Art of Fusion" philosophy.
The next step
The right strap isn't chosen. It is built, together.
From the atelier appointment to delivery, every step is made for those who know that things done well take time. Rare leathers, one piece at a time, eighteen months of warranty.
Request an appointment →Casati Milano · Via XX Settembre 15, Milan · by appointment only