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Springbar Seiko 61394/17/2021
Wondering how to use the tachymeter scale Have a look at this blog post.Its success prompted me to undertake a more ambitious project and showcase the different models powered by the very first automatic chronograph by Seiko: caliber 6139.More ambitious, because as you will see the sheer number of different designs is quite impressive.A rough indication of the market price for a good condition original watch is also provided.
Springbar Seiko 6139 How To Use TheHowever, please note that there are many factors affecting the price (such as dial markings, making the watch more or less rare, and the lack of data for the rarest models) so take this with a grain of salt. Model numbers are: 6139-6000, 6139-6001, 6139-6002, 6139-6005, 6139-6007 and 6139-6009 (it is generally thought that model numbers here are related to regions the watch was sold in). Franois Cevert was killed in a violent crash at Watkins Glen International in 1973. The yellow dial Pogue was the first automatic chronograph in space, worn by Colonel William Pogue during the 1973 Skylab 4 mission. Purists say that only the reference 6139-6005 with Water 70m resist marking on the dial can be called Pogue: they refer to it as True Pogue. However, it is generally accepted that all models sporting a yellow dial are Pogues. ![]() To summarize, lets say that blue dials can be found for 500-750, yellow dials 800-1,200, silver dials 1,000 and teal dials 1,500. Currently, the earliest known version is dated January 1969 and its a 6139-6010. In this family, you can encounter model numbers 6139-6010, 6139-6011, 6139-6012, 6139-6015, 6139-6017 and 6139-6019. It has a very special function: thanks to its rotating pulsations bezel, you can measure heart rate. Start the chrono, count to 10 and youll know the number of pulsations per minute. Because of this function, the 6139-602X is often called Pulsations or Doctors Chronograph. According to this very interesting discussion over at Wrist Sushi, this watch can also be used to measure doughnut production Exists with silver, white, black, blue and chocolate brown dial. Personally Im not a big fan because I find it a little bit bland. Its round case is not typical for the Seiko line of 70s chronographs and the colors are not exactly bright (unless youre looking at the orange dial version of course). The black gray bezel is prone to merciless fading, which makes finding a Silver Ghost in good condition is a challenge If youre interested in this model, theres a nice write-up over at Fratello. The dial color can be light bluesilver, khaki blue or black. Some of these watches were issued to different military corps such as the Japan Maritime Self Defense Force (JMSDF) or Japan Air Self Defense Force (JASDF). These have a specific caseback with the corresponding logo (you can find more information here ). While the black dial is the most common, there is also a variant with a silver (iceberg) dial.
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