Breguet Marine 5517

Mechanical self-winding movement, Calibre 777A, 15 lignes, 26 jewels. Numbered and signed Breguet. 55-hour power reserve. Inverted in-line lever escapement with silicon horns. Balance spring in silicon. Frequency 4Hz.

40mm case with fluted caseband.Sapphire-crystal caseback.
Water-resistant to 10 bar (100m).

Available in titanium with sunburst slate grey dial in gold, in 18-carat rose gold with silvered gold dial or in 18-carat white gold with blue dial in gold.

Available with a leather or rubber strap.

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 Or rose
• Skeleton No
• Sapphire caseback Yes
• Case shape Round
• Diameter (mm) 40
• Case width (mm) 40
• Case thickness (mm) 11.50
• Water-resistant (m) 100