Richard Mille – RM 004
The RM 004 is a split-second wristwatch with virtually the same mechanical layout and design. The only significant technical difference between them is that the RM 008 is driven by a tourbillon escapement. The implementation of a carbon nanofibre baseplate in the development of the RM 003 required an almost total revision of its structural design and assembly methods, while in the highly complex RM 004 with its deep-set movement bridges, this represented a major and daunting challenge that required years of research and development.
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Description
The first batch of RM 004s produced were equipped with complex movements that used the same titanium baseplate design seen in the first RM 002 and RM 003 tourbillons. But its design was very quickly redeveloped to incorporate carbon nanofibre. The RM 004 as a timepiece for connoisseurs of complex watches was already a rare item within the RM collections, and that meant very few titanium baseplate versions of the RM 004 were ever created before the switch to the RM 004-V2 version was made. As a result, RM 004 timepieces featuring titanium baseplates are now some of the rarest serial-produced Richard Mille timepieces.
