2020年2月5日 · We've assessed watches on 5 conditions, from Poor to NOS, but only price estimated Running, Good and Excellent. Prices are in USD and for head only, even though you wouldn't have a Collector or NOS watch without a corresponding bracelet (say). There are many variables but we think this is a good starting point for assessment.

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2024年11月25日 · Military precision watches developed under the new organization after the Great Kanto Earthquake, utilizing the high-precision watch now known as the Seiko Type 19. Watches used by the Air and Maritime Self-Defense Forces after WW2, and civilian watches chosen by U.S. soldiers during the Vietnam War. Chronographs employed overseas.

2011年3月20日 · Below is a massive project that has been the better part of the last year in the process. Thanks to the generosity of some of our members (especially Gary Fredericks) we have been able to scan and collect a large collection of vintage seiko catalogs ranging from the late 1960s to H2 1985.

2021年11月3日 · Many vintage Seiko owners are staring at watches with "T" or "R" or "RAD" or "TAD" printed - usually along the bottom margin of the dial. No amount of googling seems to yield a clear answer to what these codes mean. Perhaps the …

2010年3月3日 · - Seiko 5 Sports: (Sub-brand) - Basically the same thing as Seiko 5, but used in watches styled to appeal to people involved in sports, without being manufactured to handle professional use or abusive conditions. Seiko was not necessarily strict about this and there are numerous examples of identical watches which carried both the Seiko 5 and ...

2014年2月10日 · The luminescent material in all the "glow in the dark" stuff is zinc sulfide. The radioactive material (radium, tritium, possibly others) simply make it glow after the natural luminescence after exposure to UV light has decayed away.

2018年5月15日 · According to the Seiko Museum: "The number of Seiko “Fives” exported from Japan in 1966 reportedly exceeded the total number of self-winding watches in all of Switzerland.... The worldwide success of the “Five” popularized self-winding watches everywhere. The “Five” style has set the standard for practical functional watches ever ...

2010年3月3日 · As there are also watches without any logo, I assume this is at least one step up from standard. Applique Dial (AD) - The 3-pointed star inside a triangle stands for Applique Dial (AD). This is usually on high end Seikomatics and similar where the Seikomatic logo is applique rather than printed on the dial.

2013年7月29日 · Thanks Anthony for selecting my question re the caliber 3870 for research at the Seiko museum. It was the only vintage Seiko quartz caliber I had been unable to find in the Seiko catalogs or searching Yahoo Japan. It must be quite rare. The successor 75RW (7550) is a nice pocket watch to target.