So, just who invented the chronograph? It would seem that perhaps it was Louis Moinet -
And in their own words -
Louis Moinet invented the chronograph! Today, 21st March 2013, the Louis Moinet brand has brought together the past and present to write a new page in the history of horology!
In 1816, Louis Moinet designed, developed and produced the compteur de tierces, a chronograph that was technically well ahead of its time.
With a count of 216,000 vibrations per hour (30 Hz), it could measure 1/60 of a second and was thus by far the most precise instrument of its period. Another historical achievement that places him among the great contributors to modern watchmaking and the father of high-frequency time measurement.
MOVEMENT
Full plates between four pillars, barrel and fusee
Ruby and steel cylinder escapement
Foliot balance with platinum adjustment weights
30-tooth escape-wheel
Flat balance spring with seven coils
Six pierced ruby bearings with endstones making a total of 13 jewels with the ruby cylinder
Made in gilt and frosted brass
FREQUENCY:
216,000 vibrations an hour, 30Hz
DIMENSIONS:
Diameter 57.7mm
Height: 9mm
Signed on the upper plate: Louis Moinet
POWER RESERVE:
More than 30 hours
State of wind indicator visible through an aperture in the dust cover
CASE:
Silver with a rim around the bezel and caseback
Bezel with a bayonet fixture
Hinged dust cover, locked by a threaded stud
Four-part semi-bassine case with flat caseband
Four hallmarks on the dust cover: 1. Association des Orfèvres de Paris (goldsmith’s guild); 2. Master’s mark; 3. Second rooster (Ag 900); 4. Guarantee No 815.
DIAL:
Silvered and frosted metal, signed Louis Moinet
Three subdials on the face:
Top left: 60-minute counter
Top right: 60-second counter
Bottom centre: 24-hour counter
HANDS:
Slender, counterpoised centre hand for the 60ths of a second
Two identical hands for the seconds and minutes counters
An open-tip hand for the hours
All the hands are in blued steel
CONTROLS:
At 12 o'clock: button to start and stop the chronograph
At 11 o'clock: button to return the 1/60 seconds hand to zero.
www.louismoinet.com
And in their own words -
 |
| Courtesy of Louis Moinet |
 |
| Courtesy of Louis Moinet |
 |
| Courtesy of Louis Moinet |
 |
| Courtesy of Louis Moinet |
Ruby and steel cylinder escapement
Foliot balance with platinum adjustment weights
30-tooth escape-wheel
Flat balance spring with seven coils
Six pierced ruby bearings with endstones making a total of 13 jewels with the ruby cylinder
Made in gilt and frosted brass
FREQUENCY:
216,000 vibrations an hour, 30Hz
DIMENSIONS:
Diameter 57.7mm
Height: 9mm
Signed on the upper plate: Louis Moinet
POWER RESERVE:
More than 30 hours
State of wind indicator visible through an aperture in the dust cover
CASE:
Silver with a rim around the bezel and caseback
Bezel with a bayonet fixture
Hinged dust cover, locked by a threaded stud
Four-part semi-bassine case with flat caseband
Four hallmarks on the dust cover: 1. Association des Orfèvres de Paris (goldsmith’s guild); 2. Master’s mark; 3. Second rooster (Ag 900); 4. Guarantee No 815.
DIAL:
Silvered and frosted metal, signed Louis Moinet
Three subdials on the face:
Top left: 60-minute counter
Top right: 60-second counter
Bottom centre: 24-hour counter
HANDS:
Slender, counterpoised centre hand for the 60ths of a second
Two identical hands for the seconds and minutes counters
An open-tip hand for the hours
All the hands are in blued steel
CONTROLS:
At 12 o'clock: button to start and stop the chronograph
At 11 o'clock: button to return the 1/60 seconds hand to zero.
www.louismoinet.com
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