The Flying Grand Regulator Skeleton

From Chronoswiss -

Courtesy of Chronoswiss

This one's a bit special.  A truly limited edition of only 30 pieces.  

The case is of stainless steel and measures 44 mm in diameter.  The movement is Caliber C.677S, which is manual winding and features a power reserve of 46 hours.

Here are the pertinents, straight from the source -

CASE:

Case back
Screw-down case back with satin finish and sapphire crystal

Band width
22 mm

Finish
Partly polished, partly with vertical satin finish, onion crown

Material
Stainless steel

Bezel
Polished screw-down bezel with full thread and side knurling with curved, non-reflecting sapphire crystal

Number of parts
21

Height
12.48 mm

Diameter
44mm


MOVEMENT:

Frequency
2,5 Hz 18 000 A/H

Number of jewels
17

Power reserve
Approx. 46 h

Movement
Caliber C.677S manual winding

Finish
Pallet, pallet-wheel and screws polished, plate and bridges skeletonized and circular grained; gear-wheels skeletonized screws thermally blued


DIAL:

Displays
Off-centre hours at 12:00, central minutes, small seconds at 6:00

Shape of hands
"Poire Stuart"

Dial material
Sophisticated dial construction on several levels. Skeletonized base, galvanic white, with funnel construction, hour´s scale white varnish. Middle level galvanic white with hand-painted individual number of limitation. Top level galvanic white, screwed on foundation blocks.

Design of hands
Thermaly blued and curved; minute hand bent by hand


STRAP & BUCKLE:

Type of buckle
Folding clasp

Strap material
Louisiana alligator leather "Hornback", hand-sewn