The calibre K.05-1 of the “Lunokhod Prime” watch was developed by Konstantin Chaykin. The movement, which is equipped with a natural spherical moonphase indicator construction invented by Konstantin Chaykin, was made entirely at the Konstantin Chaykin manufactory and is made according to the standards of haute horlogerie. Components finished using classical techniques: abrasive blasting;perlage; fine longitudinal, radial and circular grindings; manual chamfering, polishing; polished screw holes, pins and jewels; spherical polishing of the axel tips; and galvanized rhodium and gilded plating. A distinctive feature of the movement is the branded regulator (a device developed by Konstantin Chaykin to fine tune the effective length of the spring).
Caliber: KL 1 04-1 with hand winding by Konstantin Chaykin manufacture
Stroke accuracy: +/-15 seconds per day
Power reserve, h: 45