Breguet MARINE 5837 Tourbillon Chronograph specifications

MARINE TOURBILLON CHRONOGRAPH
SPECIFICATIONS OF THE WATCH
REF. 5837BR/92/5ZU

Case: round, in 18-carat pink gold, with fluted caseband.
Caseback hand-engraved on a rose engine, with sapphire crystal.
Diameter: 42 mm. Rounded horns welded to the case with screw pins securing the strap.
Wave-shaped chronograph pushpieces.
Water-resistant to 100 meters.
Dial: black rhodium on 18 -carat gold hand-engraved on a rose engine in a wave pattern.
Individually numbered and signed BREGUET.
Chapter ring with applied Roman numerals and luminous dots.
30-minute totalizer at 3 o’clock. 12-hour totalizer at 6 o’clock.
Small seconds on the tourbillon carriage, partly in titanium at 12 o’clock.
Open -tipped BREGUET hands in 18-carat pink gold, with applied luminous compound.
Movement: hand-wound, pink gilt, individually numbered and signed BREGUET.
Cal. 554.3. 12 lines. 25 jewels. 50-hour power reserve.
Balance spring, lever and escapement wheel in silicon.
3 Hz frequency. BREGUET balance wheel, adjusted in 6 positions.