Romain Jerome Caliber RJ2000-A Watch Movement

Brand	Romain Jerome
Caliber Number	RJ2000-A
Movement Type	Mechanical, manual wind
Jewels	54
Power Reserve	38 hours
Vibrations Per Hour	28,800 bph
Features	Linear, retrograde, jumping hour indicator
Country of Manufacture	Switzerland
Known Models	Subcraft

The Romain Jerome caliber RJ2000-A was a mechanical collaborative design by RJ CEO Manuel Emch and watchmaker Jean-Marc Wiederrecht.

From the press-release:

Designed to minimize resistance to motion, the case houses an ingenious mechanical movement created for RJ-Romain Jerome by Agenhor. The Subcraft hides its true heart under its smooth, flawless case, revealing Manuel Emch and Jean-Marc Wiederrecht’s mechanical collaboration with the creation of a unique movement that brings this new timepiece to life. This highly sophisticated movement combines four different complications – lateral, linear, jumping and retrograde – and represents one of the most complicated indications of time ever made to date.