Big Bang Unico Water Blue Sapphire Ref. 421.JL.4890.RT

Original price was: $558.00.Current price is: $446.00.

Category:

Hublot Big Bang Unico Water Blue Sapphire 44 mm

Overview

The Hublot Big Bang Unico Water Blue Sapphire embodies transparency, innovation, and modern luxury. Crafted entirely in polished water-blue sapphire crystal, this striking 44 mm timepiece reveals the Unico movement in full display, merging engineering brilliance with an otherworldly aesthetic.

Design & Materials

  • Case: 44 mm polished water-blue sapphire crystal, fully transparent and highly durable.
  • Bezel: Matching water-blue sapphire crystal with signature 6 H-shaped screws.
  • Dial: Transparent skeleton dial highlighting the in-house Unico caliber.
  • Strap: Transparent rubber strap with water-blue lining, secured by a titanium deployant buckle clasp.
  • Aesthetic: A futuristic, crystal-clear vision of contemporary haute horlogerie.

Movement

  • Caliber: HUB1280 UNICO Manufacture – automatic chronograph flyback with column wheel.
  • Functions: Hours, minutes, small seconds, date, chronograph.
  • Power Reserve: Approx. 72 hours.
  • Components: 354 parts, designed for precision and durability.

Technical Specifications

  • Reference: 421.JL.4890.RT
  • Collection: Big Bang
  • Case: 44 mm polished water-blue sapphire crystal
  • Bezel: Water-blue sapphire with H-shaped screws
  • Dial: Transparent skeleton
  • Crystal: Sapphire with anti-reflective coating
  • Water Resistance: 50 m / 5 ATM
  • Strap: Transparent rubber strap with water-blue lining
  • Clasp: Titanium deployant buckle clasp
  • Condition: New / Unworn
  • Box & Papers: Complete set with Hublot presentation