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Gérald Genta Arena Biretro Sport – Technical Description

Gerald Genta - Arena Biretro Sport

Gérald Genta, Arena Biretro Sport - © Gérald Genta

Entirely hand-decorated automatic movement, jumping hours, retrograde minutes and central seconds hand. 45 hours power reserve. Red or white gold case (45mm) with fluted case band and tantalum bezel.  Find more technical details bellow:

Reference – BSP.Y.66.269.CN.BD / BSP.Y.55.279.CB.BD

Calibre number – GG7724

Power-Reserve – 45 hours

Mechanism – Automatic Jumping hours and retrograde minutes + retrograde calendar + second

Introduced – 2006 / 2007

Height – 5.28 mm

Diameter – 26.20 mm

Vibrations – 28’800 A/h.

Balance – 3-arms Cuproberyllium ring

Balance-spring – Flat

Escapement – Lever

Jewelling – 27 jewels

Case – White gold /Red gold

diametre – 45,00 mm

thickness – 12,80 mm

Distance between lugs – 22,00 mm

Dial material – Brass +Tantalus + matt colored sapphire

Bezel – Tantalus

Wristband – Alligator

Special finishing on movement – Concentric “perlage” and special color

Water-resistant – 10 atm

As a graphic designer, I'm fascinated by the crossroads between technology and aesthetics. Horology is one of these crafts, where art and engineering come together to produce mechanical wonders that grace the eye. WatchPaper was born from the desire to create an online tool where I can share my passion for watches.