Hublot Big Bang Unico Sapphire 45mm BIG BANG 411.JX.4802.RT

【Case Construction】
• Reference-based specification: 45 mm Big Bang Unico Sapphire case, based on Reference 411.JX.4802.RT; the reference is listed with sapphire crystal case, skeletonized dial, HUB1242 movement, and limited-edition positioning.
• The transparent sapphire case creates a striking see-through architectural appearance.
• Titanium screws, pushers, and crown elements add technical contrast.
• The clear strap extends the transparent concept across the whole watch.

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【Dial Highlights】
• The skeleton dial fully exposes the Unico chronograph movement.
• Transparent and metallic elements create a floating mechanical effect.
• Chronograph counters and date function are integrated into the open layout.
• The overall design is futuristic, experimental, and highly collectible.

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【Crystal】
• Sapphire-style front and case construction create exceptional transparency.
• The crystal allows the dial, case, and movement to visually merge.
• The transparent architecture gives the watch a unique technical presence.

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【Movement】
• Powered by HUB1242 Unico-style automatic flyback chronograph movement.
• Functions include chronograph timing, date, hours, minutes, and seconds.
• The open movement is a key part of the watch’s visual appeal.

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【Strap & Clasp】
• Transparent rubber strap continues the sapphire-case aesthetic.
• The strap keeps the large case visually light.
• Titanium deployant-style clasp provides secure wear.