Movements & Complications

Seed VMF 5401 / H,M

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Seed VMF 5401 / H,M

Hour, minute


Vaucher Manufacture Fleurier proposes a small masterpiece of complexity barely 2.6 mm deep derived from its tradition and its artisanal-industrial manufacturing process. A development of the VMF 5301 movement, it retains the latter’s robustness and slenderness while adding a new automatic, allowing it to wind and recharge as quickly as a classic automatic. Specially optimised for the Seed VMF 5401 by the company atokalpa, the variable inertia balance ensures optimal isochronism. Designed to accommodate additional mechanisms.


 > From 25 pieces in its Seed VMF 5401 version, with personalisation of the oscillating weight.

> From 250 pieces in its S-VMF 5401 version, with personalisation of the bridges (shapes and decorations) and of the oscillating weight.

Functions & Complications
Self-winding - 2 hands
Main dimensions
Fitting of 13 ¼” (30.00 mm)
Thickness of 2.6 mm
Power reserve
48h
Number of components
160
Rubis
29
Frequency
3 Hz (21’600 A/h)
Type of balance
Variable inertia with gold inertia blocks
Type of stud-holder
Mobile
Type of balance-spring
Flat
Type of oscillating weight
Off-centre/Tungsten micro-rotor
Oscillating weight winding direction
Single direction in clockwise sense of the weight viewing from the dial side
Chronometry
Variable inertia balance
Rapid rotation barrel
Specific features and finishes
Circular-grained plate on dial side and bridge side, fine circular-graining below the balance, rhodium-plated
Bridges with Côtes de Genève decor, rhodium-plated
Bicolour engraving
Counterbores and apertures diamond-polished
Ceramic ball bearing
Wheels circular-grained on 2 faces
Flat-head screws, locked
Bridges hand-bevelled with piercer
Pivots and flanges rolled