Vacheron Constantin Patrimony Perpetual Calendar Ultra-Thin 41mm 18K Pink Gold Midnight Blue DialVacheron Constantin

【Case Construction】
• Reference-based specification: 41 mm 18K pink gold Patrimony Perpetual Calendar Ultra-Thin case, approximately 8.9 mm thick, based on Reference 43175/000R-B519.
• The ultra-thin pink-gold case gives the perpetual calendar a highly refined dress-watch profile.
• The polished round case keeps the visual focus on the calendar dial.
• The slim proportions make the watch elegant and suitable for formal wear.

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【Dial Highlights】
• The midnight blue sunburst dial gives the watch a deep and sophisticated appearance.
• Calendar sub-dials display perpetual calendar information including day, date, month, leap-year indication, and moon phase.
• The moon phase display adds classical high-complication charm.
• Pink-gold markers and hands coordinate beautifully with the case.

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【Crystal】
• Sapphire-style crystal keeps the calendar indications clear and organized.
• The crystal enhances the blue sunburst finishing and moon phase display.
• Its clean profile supports the ultra-thin dress-watch presentation.

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【Movement】
• Powered by an ultra-thin automatic perpetual calendar movement; Vacheron Constantin describes the movement as only 4.05 mm thick and designed to keep calendar information accurate until 2100.
• Functions include hours, minutes, perpetual calendar, moon phase, day, date, month, and leap-year indication.
• The complication gives the watch strong collector value and formal prestige.

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【Strap & Clasp】
• Blue alligator-style leather strap matches the dial tone.
• The strap creates a cohesive blue-and-pink-gold appearance.
• Pink-gold buckle or deployant-style closure completes the elegant configuration.