The Heritage Sector Chronograph Aventurine Ref. 324.444 pairs a classic sector chronograph layout with a deep blue aventurine dial that shimmers like a night sky. Built with a layered aventurine construction to achieve recessed sub-dials, it delivers both visual depth and technical precision, powered by the hand-wound LC-450 column-wheel chronograph movement with a 60-hour power reserve.

Technical Specifications:

• Case: 316L stainless steel
• Diameter: 39mm
• Thickness: 13.9mm (10.5mm without crystal)
• Caseback: Screwed down
• Crystal: Double-domed sapphire with internal AR coating
• Lug-to-lug: 47.35mm
• Lug width: 20mm
• Water resistance: 50m (5 ATM)
• Caliber: LC-450
• Type: Mechanical, hand-wound
• Chronograph: Column-wheel
• Power reserve: 60 hours
• Frequency: 28,800 VPH
• Jewels: 23