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