Bvlgari Serpenti Tubogas: The Midnight Coil (Ref. 103433)
The Serpenti Tubogas 103433 is a mesmerizing fusion of Bvlgari’s two most legendary design pillars.2 By combining the predatory elegance of the serpent with the industrial fluidity of the Tubogas technique, this timepiece emerges as a symbol of eternal renewal and contemporary glamour.
In this specific iteration, the cool shimmer of stainless steel is ignited by a halo of diamonds and a striking black dial, creating a look that is both nocturnal and electric.
The Art of Light and Shadow
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The Diamond Bezel: The 35mm “drop” case is elevated by 38 round brilliant-cut diamonds (approx.3 0.29 ct).4 These gems are hand-set into the bezel to follow the curve of the snake’s head, framing time with a continuous spark of light.
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The Black Guilloché Dial: Unlike the silver dial versions, the black guilloché soleil dial provides a dramatic backdrop.5 The sunburst texture creates a sense of depth, making the hand-applied indexes pop with exceptional legibility.
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The Rubellite Crown: A signature Bvlgari touch, the crown features a 0.108 ct cabochon-cut pink rubellite, offering a singular drop of rich color against the monochrome steel and black aesthetic.6
Technical Mastery
| Feature | Specification |
| Reference | 103433 |
| Bracelet | Double Spiral Stainless Steel (wraps twice) |
| Case | 35mm Stainless Steel Curved Case |
| Gemstones | 38 Diamonds (Bezel) & 1 Rubellite (Crown) |
| Movement | Swiss Quartz (Hour-Minute functions) |
| Water Resistance | 30 Meters (3 ATM) |
Why Ref. 103433 is a Statement Piece
This model is designed for those who find the standard steel Serpenti too quiet. The addition of diamonds transforms the watch into a “High Jewellery” piece, while the black dial adds a modern, slightly rebellious edge. The double-spiral construction doesn’t just tell time; it claims the entire forearm, acting as a flexible suit of armor that moves with the wearer’s every gesture.
Craftsmanship Note: The “Tubogas” bracelet is entirely solder-free. Its elasticity comes from the way the internal steel core is tensioned, ensuring that even after years of wear, the snake never loses its “grip” or its shape.


























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