De Bethune DB28 KIND OF GOLD

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