Marine Breguet Watch

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Description

5517BBY25ZU

Marine wristwatch. Self-winding movement with date. Balance spring in silicon. Sapphire caseback. Screw-locked crown. Water-resistant to 10 bar (100m). Diameter: 40mm.

Additional information

Movement

• Winding Self-winding
• Power reserve (hours) 55
• Calibre 777A
• Lines 15
• Jewels 26
• Frequency 4
• Balance-wheel Breguet
• Escapement inv. straight-line lever, Si horns
• Balance-spring flat, silicon
• Oscillating weight 18 Carats
• Number of components 179

Case

• Metal White gold
• Skeleton No
• Sapphire caseback Yes
• Case width (mm) 40
• Case thickness (mm) 11.50
• Water-resistant (m) 100