Baselworld 2019, tourbillons by Greubel Forsey and H. Moser & Cie

Baselworld 2019 from March 21 – 26 showcased a number of new horological timepiece introductions from Patek Philippe, Rolex, Tag Heuer, and Breitling to name a few.   Baselworld is the world's foremost show for watches, jewellery, precious stones and related industries.

Two exclusive pieces are the Greubel Forsey Quadruple Tourbillon GMT and the H. Moser & Cie. Endeavour Concept Minute Repeater Tourbillon.

The Greubel Forsey Quadruple Tourbillon GMT combines two double tourbillons with the GMT complication.  Each of the four tourbillons is connected to a spherical differential independently contributes to obtain a precise and reliable timing rate, especially in static positions. The spherical differential transmits the average timing rate of the four tourbillons, thus improving the chronometric performance from all the regulating organs.

Concealed within an asymmetric dial and 43.5 mm diameter case, four tourbillons – specifically invented and designed to improve time-keeping performance – rotate in a private micro-mechanical ballet. Only on turning over the timepiece and gazing through the display back is the majesty of the sublime hand-finished movement, with its four tourbillon cages joined by a spherical differential, fully revealed.  The price for this watch is $820,000.

Greubel Forsey Quadruple Tourbillon GMT

Diameter: 46.50mm
Thickness: 17.45mm
Case Material: White gold; sapphire crystals front and back with lateral sapphire window
Dial: Multi-level in gold, anthracite color
Indexes: Applied gold
Strap/Bracelet: Hand-sewn alligator strap, white gold buckle

Functions: Local and home time; universal time indication
Diameter: 39.50mm
Thickness: 13mm
Power Reserve: 72 hours
Winding: Hand-wound
Frequency: 3 Hz (21,600 vph)
Jewels: 84 (train jewels olive shape in gold chatons)
Additional Details: Two double tourbillons; outer cage rotates once per four minutes; inner cage inclined 30º rotating once per minute. Two 10.70mm free sprung adjustable mass balances with Phillips overcoil balance springs. Mainplate and bridges nickel silver.

Greubel Forsey Quadruple Tourbillon GMT

The H. Moser & Cie Endeavour Concept Minute Repeater Tourbillon has a twirling minute repeater with a flying tourbillon highlighting the “ballet dance” performed by the complex mechanism to chime the hours: on the ., the two chimes and the hammers on the minute repeater can be admired on the dial side.

A timepiece which appeals to the ears and the eyes. Proposing a return to the essential, the Schaffhausen-based Manufacture showcases the beauty of this complication with a purist approach, giving us the opportunity to admire the choreography of the hammers and chimes on a black lacquered dial stripped of both logo and indices, creating a striking contrast between the dial and the metal elements.

An ambitious technical development for the 14th calibre produced by the brand since 2005.  Pricing is not available.

H. Moser & Cie. Endeavour Concept Minute Repeater Tourbillon

Case Diameter: 43.0 mm/height: 14.0 mm
Dial
– Hammers and chimes on dial side
– Leaf-shaped hour and minute hands
Functions
– Hours and minutes
– Minute repeater with hour, quarter-hour and minute chimes
Strap
– Hand-stitched black alligator leather with red lining
– 18-carat solid white gold pin buckle engraved with the Moser logo

Movement
– Hand-wound HMC 903 calibre
– Frequency: 21,600 Vib/h
– Power reserve: minimum 90 hours
– Double Moser stripes on the plate and bridges
– Movement and components hand-finished and decorated
– One-minute flying tourbillon at 6 o’clock with skeletonised bridge
– Minute repeater

H. Moser & Cie Endeavour Concept Minute Repeater Tourbillon

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