TAG Heuer Carrera Mikrograph 1916-2016 Anniversary edition: 100 only

This is the TAG Heuer Carrera Mikrograph chronograph being released in an edition of just 100 to mark the brand’s hundredth anniversary of its 1/100th of a second timer.

TAG Heuer Carrera Mikrograph chronograph

The anniversary edition is classic in style, with a white lacquered dial, painted numerals and a design inspired by the sports chronometers of the era.

Its Carrera-type case is supplied with a table support and also a base allowing it to be fixed to a car dashboard, the system making it “both a watch and a timekeeping instrument”, according to Tag.

TAG Heuer Carrera Mikrograph chronograph

Power comes from a movement protected by 11 patents, a 480-component calibre incorporating two mechanisms: one for the time, the other for the chronograph. Each has its own barrel and transmission and escapement system. The first, for the watch (hours, minutes, small second and date), oscillates at a frequency of 28,800 vibrations per hour (4Hz), and has a power reserve of 42 hours. The second, with an autonomy of 90 minutes, controls the 1/100 second chronograph.

TAG Heuer Carrera Mikrograph chronograph

Thanks to a dynamic compensation system, it achieves a frequency of 360,000 vibrations per hour (50 Hz) and a dizzying rotational speed of one second per revolution. The “normal frequency” and “high frequency” kinematic chains are independent, guaranteeing unrivalled accuracy and timekeeping by preventing the chronograph from affecting the operation of the watch and reducing energy loss.

TAG Heuer Carrera Mikrograph chronograph
Dash-mount Mikrograph.

 

As for the appearance of the anniversary piece, an unusual and retro touch is the large spherical ridged crown at 12 o’clock, framed by the characteristic “mushroom” push-pieces, reminiscent of the earliest Heuer models.

The white lacquered dial sports a vintage Heuer logo and the inscription “Made in Switzerland” configured, as on the original model.

Legibility is enhanced by the blued steel hands for the chronograph indications, with a tear drop-shaped counterweight on the minute hand and an arrow on the counter hands. Rounded leaf-shaped hour and minute hands are typical of the Roaring Twenties. The only modern touch: a power reserve indication at 9 o’clock, and a date window at 4:30.

TAG Heuer Carrera Mikrograph chronograph

History: The story of the Mikrograph began in 1914 when Charles-Auguste, son of Edouard Heuer, asked his employees to design “a counter five to 10 times more accurate than anything currently in existence”. This was at a time when the race for accuracy was intensifying in the field of sports timekeeping and a year later the first prototype appeared. The result exceeded all expectations: an oscillation and escapement system vibrating 360,000 times per hour, in other words, accuracy to 1/100 of a second.

We rate the Tag Mikrograph Anniversary Edition: Nice work if you can get one. We love the lacquer dial and period touches, but it’s the movement that makes it a real mover.

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