310.021, Langematik Perpetual Calendar, Yellow Gold C by Romain Gauthier It features an engraved teal

It features an engraved teal dial

all within 20 case numbers of each other (all D-Series with Mark 2 dials)

The water-resistant 41mm case houses an entirely new calibre LF270

An Octa Lune in pink gold with a pink gold

310.021, Langematik Perpetual Calendar, Yellow Gold C by Romain Gauthier It features an engraved tealA ref. 310. 021, Langematik Perpetual Calendar, A Lange & Shne's first of the traditionally Swiss dominated complication. This yellow gold example is from early in the model's production. The brand's ground up movement design and first principles thinking allowed a novel display arranged to prioritize the most commonly referenced information. The 478 component automatic calibre L922. 1 features traditional Glashtte finishing, and the ever pleasing