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Baume & Mercier Debuts Automatic Chronometer Movement

Baume & Mercier announces its first-ever mechanical movement, the Clifton Baumatic (BM12-1975A) created in collaboration with the Richemont Research & Innovation team. Baume & Mercier is the first and only Richemont brand with this technology for the foreseeable future. The new movement offers: Strong antimagnetism (1,500 Gauss), long power reserve (120 hours, or 5 days), COSC precision (-4/+6 seconds/day), a silicon hairspring, anchor and escape wheel--and no service needed for 5 years.

The 40mm Baume & Mercier Clifton 5 Days Chronometer, one of five models housing the new Baumatic BM12-1975A caliber.

Richemont also redesigned the hairspring with a composite structure, combining two cores of silicon, alternately set at a 45° angle and bound by a silicon dioxide layer that also plays a role in ensuring thermocompensation. This design, called Twinspire, is said by the firm to improve accuracy of the movement in various positions and over the long term, reduce sensitivity to magnetism and offer greater resistance to small impacts and repeated vibrations.

New Clifton Baumatic 5 Days Chronometer, back view.

The Clifton Baumatic Collection will include five styles (starting at $2,590, available September 2018) and will be revealed in full next week at SIHH. We'll have more about these new Clifton watches as well as information and images about all the Baume & Mercier 2018 debuts next week.




ƒƒJewels: 21, ƒƒPower reserve: 5 days, ƒƒFrequency: 4Hz (28’800 vph)

FUNCTIONS: ƒH/M/S, enlarged date at 3 o’clock, chronometer

CASE: ƒƒRound, 40 mm, ƒƒThickness: 10.3 mm, polished & satin-finished stainless steel, domed antiglare (1 face) scratch-resistant sapphire crystal, sƒapphire crystal case back, secured with 4 screws

DIAL: ƒƒWhite dial with porcelain-finish, riveted faceted trapezoid-shape indexes slightly elongated, faceted lancette hands, anthracite dial-train

STRAP: ƒƒBlack alligator all square scales with gray stitching on the top and color on the bottom and bridle points at the buckle. ƒƒSystem of curved bars with very reliable lug that allows to change without tools the strap

WATER-RESISTANCE: Approx. 50 meters

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