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Evolution of Seiko Chronographs in my collection


thierry

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Here is part of my Seiko chronograph collection. From left to right:

 

1. 1975 with the 6139 caliber: 

The first automatic chronograph in the world in 1969 and also the first automatic chronograph known to be worn in space by the general Pogue in 1973.

2. 1983 with the 7A28 caliber:

The first quartz chronograph with analog display in the world.

3. 1993 with the 6M15 caliber:

Not sure if it's the first of anything but it has very interesting features like the chronograph with dancing hands. It was also created to celebrate the 500th anniversary of the discovery of the Americas.

4. 1992 with the 6M23 caliber:

Another Seiko used in space, a "Space Navigator" worn by a Japanese astronaut during an US shuttle mission.

5. 2007 with the 7T62 caliber:

Not much to say about this Seiko but it's the watch I wear when I am at home or sleeping.

6. 2013 with the V172 caliber:

My most recent watch and also the only one that never gives the right time. Not sure what is wrong but the hour hand turns slower than the other ones. I have to use the buttom sub dial to check the right time.

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