Breguet Classique Hora Mundi 5717 Watch |
Breguet Classique Hora Mundi 5717 Watch (caseback) |
Watch details:
Case: round, in 18-carat red gold with finely fluted caseband.
Caseback: hand-engraved on a rose engine and fitted with a sapphire crystal. Rounded lugs welded to the case, with screw-pins securing the strap.
Screw-locked crown: at 3 o’clock.
Pushpiece-crown: at 8 o’clock. 44mm diameter.
Water-resistant: to 3 bar (30 metres).
Dial: in 18-carat gold depicting the American continent, hand-engraved on a rose engine with a “wave” motif beneath a translucent lacquer. Silvered and hand-engraved day/night indication in 18-carat gold. Individually numbered and signed Breguet. Applied chapter ring with Roman numerals. City indication at 6 o’clock. Date aperture at 12 o’clock.
Hands: Open-tipped Breguet in blued steel.
Movement: self-winding, numbered and signed Breguet. Instant time-zone jump with synchronised date, day/night and city indications. Cal. 77F0 composed of base Calibre 777 with additional plate. 12 lignes. 43 jewels.
Power reserve: 55 hours.
Oscillating weight: in 18-carat gold, hand-engraved on a rose engine.
Balance-spring: Flat and Swiss straight-line lever escapement in silicon.
Balance-wheel: Breguet with 4 adjusting screws.
Frequency: 4 Hz. Adjusted in 6 positions.
Strap: in alligator leather. Also available with European or Asian dials and in 950 platinum with Asian, American or European dials. References available on request.
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