The iconic "DB28 Kind of Blue" now available with an elegant Pink Gold case. Only 10 numbered timekeepers, reserved exclusively for American market, will be produced.

Reference: DB28BRUS

FUNCTIONS

HOURS, MINUTES, SPHERICAL MOON PHASE AT 6 O’CLOCK. POWER RESERVE ON CASE BACK, PERFORMANCE INDICATOR BETWEEN 2 AND 3 O’CLOCK 

DISPLAY

DIAL:

MIRROR-POLISHED AND BLUED GRADE 5 TITANIUM HOURS RING – POLISHED STEEL HOUR-MARKERS – SILVER SILKEN MINUTE RING – SPHERICAL MOON-PHASE INDICATION IN PALLADIUM AND FLAME-BLUED STEEL AT 6 O'CLOCK – PERFORMANCE INDICATOR BETWEEN 2 AND 3 O’CLOCK

HANDS:

IN 5N ROSE GOLD

CASE

5N ROSE GOLD  – DIAMETER 42.6 MM – THICKNESS 9,3 MM

ATTACHMENTS:

FLOATING LUGS IN BLUED MIRROR-POLISHED GRADE 5 TITANIUM, DE BETHUNE PATENT (2006)

GLASS:

SAPPHIRE CRYSTAL, 1800 VICKERS HARDNESS WITH DOUBLE ANTI-REFLECTIVE TREATMENT

CROWN AT 12 O’CLOCK, SETTING IN TWO POSITIONS

BACK:

OPEN IN POLISHED GRADE 5 TITANIUM THAT OPENS ON A LINEAR POWER RESERVE IN ROSE GOLD 5N

SAPPHIRE CRYSTAL (HARDNESS OF 1800 VICKERS) WITH DOUBLE ANTI-REFLECTIVE COATING

CALIBRE

DB2115V4 CALIBRE

MOVEMENT:

MECHANICAL HAND-WOUND 

DIAMETER 30 MM – 297 PARTS – MIRROR- POLISHED STEEL MOTION-WORK BRIDGE – RUTHENIUM PLATE AND BARREL BRIDGE COVER ADORNED WITH “CÔTES DE BETHUNE” – RUTHENIUM CIRCULAR-GRAINED POWER RESERVE DECORATION – HAND-POLISHED, CHAMFERED STEEL PARTS 

- SELF-REGULATING TWIN BARREL, DE BETHUNE INNOVATION (2004)

- TITANIUM BALANCE WHEEL WITH WHITE GOLD INSERTS, DE BETHUNE PATENT (2016)

- "DE BETHUNE" BALANCE-SPRING WITH FLAT TERMINAL CURVE, DE BETHUNE PATENT (2006)

- SILICON ESCAPE WHEEL

- SPHERICAL MOON PHASE INDICATION ACCURATE TO A DEGREE OF ONE LUNAR DAY EVERY 122 YEARS, DE BETHUNE PATENT (2004)

- TRIPLE PARE-CHUTE SHOCK-ABSORBING SYSTEM, DE BETHUNE INNOVATION (2005)

JEWELLING:

38 JEWELS 

FREQUENCY:

28,800 VIBRATIONS PER HOUR

POWER RESERVE:

6 DAYS

STRAP

EXTRA-SUPPLE ALLIGATOR LEATHER, ALLIGATOR LINING