Reine de Naples Jour/Nuit 8999

Description

Case in 18-carat white gold. Bezel and case band set with 131 baguette diamonds (approx. 5,59 cts). Flange set with 73 brilliant-cut diamonds  (approx.  0,332 ct). Crown set with a briolette diamond (approx.  0,26 ct). Attachment paved with a frosting of 35 brilliant-cut diamonds (approx. 0,464 ct). Sapphire case back. Diameter 42,05 x 34 mm.
Dial in 18-carat gold enhanced with a frosting of 147 brilliant-cut diamonds (approx. 0,40 ct). Complication showing the day and night in the upper half, with the sun represented by the Breguet balance-wheel and a hand-engraved titanium moon, together rotating in 24 hours. Hour and minutes on the lower part. Individually numbered and signed Breguet. Hours chapter with Roman numerals and day/night indication in Breguet Arabic numerals. Breguet open-tipped hands in blued steel.
Self-winding movement. Numbered and signed Breguet. Cal. 78CS. 9 ¾ x 13 ¼ lines, 45 jewels. Power reserve of 57 hours. In-line Swiss lever escapement. Silicon balance spring. Frequency 3,5 Hz. Adjusted in six positions.
Satin strap with a triple-blade fooling clasp set with 26 brilliant-cut.

Technical specifications

Movement

  • Self-winding
  • 57
  • 78CS
  • 9¾ x 13¼
  • 45
  • 3,5
  • Breguet (diamond polished)
  • Swiss straight-line lever
  • Flat / Silicon

Case

  • White gold
  • No
  • Yes
  • Oblong
  • 42,05
  • 34
  • 10,8
  • 30

Breguet inventions

User manual

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