New: MB&F X H. Moser LM101

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The other half of the Edouard Meylan and Maximilian Büsser duet recital. We covered the H. Moser X MB&F Endeavour Cylindrical Tourbillon (hands on with live photographs) here, and here is the release material for the MB&F X H. Moser LM101.

Press Release

LM101 MB&F x H. Moser LtoR: Aqua Blue fumé for A. Sediqqi & Sons, Cosmic Green fumé, Red fumé, and Funky Blue fumé.

H. Moser X MB&F Endeavour Cylindrical Tourbillon

Read this first!

MB&F X H. Moser LM101

The Legacy Machine 101 distils the very quintessence of mechanical watchmaking: the balance wheel, the power reserve and the passing of time. It is therefore no coincidence that MB&F has chosen to revisit this model – one of the purest and “simplest” in its collection – since it is indeed minimalism that guided the creation of the LM101 MB&F x H. Moser model. Like H. Moser & Cie. and the “back to basics” approach embodied in its Concept watch series, MB&F has chosen to remove its logo and return to its roots and indeed to the very origins of horology, when only the movements were signed.

In the same understated spirit, it has abandoned the floating domed subdials to display the hours and minutes as well as the 45-hour power reserve by means of hands placed directly on the main dial. The fumé dials borrowed from H. Moser & Cie. can thus be expressed in complete freedom, also enhanced by a refined bezel. Four fumé dials have been chosen for the LM101 MB&F x H. Moser: Red fumé, Cosmic Green fumé, Aqua Blue fumé and, of course, the famous Funky Blue fumé. Topped with a domed sapphire crystal, the case is made of steel, for only the third time in the history of MB&F.

The mesmerising large suspended balance wheel continues to take centre stage, albeit completely redesigned on the LM101 MB&F x H. Moser in order to highlight the beauty of the fumé dials. This beating heart, which represents the quintessence of watchmaking in the eyes of Maximilian Büsser, has been fitted with a double balance spring produced by Precision Engineering AG. Thanks to this pair of matching balance springs, the displacement of the point of gravity undergone by each spring as it expands is corrected, significantly improving precision and isochronism in a continuous quest for perfection. In addition, the paired balance springs also reduce the friction effect normally encountered with a single balance spring, resulting in optimised isochronism.

Through the case back, the curved sapphire crystal reveals the ‘engine’ driving this timepiece. Unlike the base movement of the Legacy Machine 101, of which the finishes were determined by co-creator Kari Voutilainen, the aesthetics of the calibre that powers the LM101 MB&F x H. Moser is more contemporary, with a subtle NAC treatment to enhance its beauty.

MB&F X H. Moser LM101 Specifications

LM101 MB&F x H. Moser is available in 4 limited editions of 15 pieces in stainless steel: Funky Blue fumé dial, Cosmic Green fumé dial, Red fumé dial and a special edition with “Aqua Blue fumé” dial made for the retailer Ahmed Seddiqi & Sons.

Three-dimensional horological movement developed in-house by MB&F
Movement aesthetics and finishing specifications: Kari Voutilainen
Manual winding with single mainspring barrel
Power reserve: 45 hours
Balance wheel: Bespoke 14mm balance wheel with four traditional regulating screws floating above the movement
Balance spring: Straumann® double hairspring
Balance frequency: 18,000bph/2.5Hz
221 components
23 jewels
Chatons: gold chatons with polished countersinks
Fine finishing: superlative 19th century-style hand finishing throughout; internal bevel angles highlighting hand craft; polished bevels; Geneva waves; hand-made engravings, NAC black bridges

Hours, minutes and power reserve indicator
Large balance wheel suspended above the dial

Available in 4 limited editions of 15 pieces in stainless steel 316, including a special edition with “Aqua Blue fumé” dial made for the retailer Ahmed Seddiqi & Sons.
Diameter: 40.0 mm
Height: 16.0 mm
35 components
High domed crystal sapphire on top and box sapphire crystal on back, both with anti-reflective coating on both sides

Funky Blue fumé, Cosmic Green fumé, Red fumé or Aqua Blue fumé with sunburst pattern

Hand-stitched calfskin strap
Steel 316L and titanium folding buckle


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