Hublot Spirit of Big Bang 642.CY.011Y.RX

【Case Construction】
• Reference-based specification: 42 mm yellow ceramic tonneau-shaped Spirit of Big Bang case, based on Reference 642.CY.011Y.RX; this reference is listed with ceramic case, rubber strap, automatic HUB4700 movement, and 10 ATM water resistance.
• The vivid yellow ceramic case gives the watch a bold and instantly recognizable appearance.
• The tonneau-shaped case delivers the strong Spirit of Big Bang architectural profile.
• Black case accents add contrast and prevent the watch from feeling visually flat.

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【Dial Highlights】
• The skeleton dial reveals the chronograph movement architecture.
• Yellow hands, markers, and sub-dial accents create a fully coordinated color theme.
• Black mechanical components add contrast and technical depth.
• The dial is energetic, sporty, and highly eye-catching.

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【Crystal】
• Sapphire-style crystal gives a clear view of the skeletonized dial.
• The crystal helps preserve the brightness of the yellow design.
• Its anti-reflective visual effect supports readability.

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【Movement】
• Powered by the HUB4700 self-winding skeleton chronograph movement, commonly listed with approximately 50 hours of power reserve.
• Functions include chronograph timing, hours, minutes, and date display.
• The movement layout fits the bold sports-complication design.

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【Strap & Clasp】
• Paired with a yellow and black structured rubber strap.
• The strap completes the Yellow Magic color identity.
• Black ceramic and black-plated titanium deployant-style clasp provides secure wear.