Movement

Movement

Cal. 3020CS Manual winding

Diameter

30mm (13 1/4 Line)

Thickness

5.0mm

Frequency

28,800/h (8beat/Sec - 4Hz)

Jewels

22

Power Reserve

Around 45hour

* Newly designed main and balance bridge, clock, click spring for pursuing a comfortable winding.

Case

Material

Stainless steel (SUS904L)
After the cutting work by the ultra-high precision micromachining machine, polishing.

Case diameter

37.0mm

Case thickness

10.8mm

Glass

Curved sapphire crystal with non-reflective coating on the double-side.

Case Back

Screw Case Back

Dial, Hands

Dial material

German Silver

Brand logo

Engraving by Ultra High-Precision and High-Speed Micro Fine Machining Center.

Minute, Second scale

Engraving by Ultra High-Precision and High-Speed Micro Fine Machining Center.

Index

Minute and second scale engraved by ultra-high-precision micro-milling machine
The ring part of the Arabic index incorporates a separate component.
6 arabic indexes hand-engraved
Logo, Indexes inlaid with cashew (so-called synthetic lacquer)

Hands material

Stainless steel (316L)

Finish of hands

Heat-treated blue steel
Tip of the second hand bent by hand to coincide with the second scale

Pin buckle

Pin buckle material

Stainless steel (904L)

Leather strap

Hand-stitched, goat leather, calfskin back
Made by Jean Rousseau (https://www.jean-rousseau.com/)

Size

Lug width 20 mm - Buckle width 16 mm

Box

Material

Exterior wood and resin board frame with fine paper
Interior in Alcantara.