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Eco-Drive: Citizen Vitro - Transparent Solar Cells
In 2000 Citizen launched a new technology in their light powered Eco-Drive range under the Vitro branding. This…
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Catalog: 1971 Citizen Product Catalog No.7
This is the seventh Citizen Japanese dealer catalog, released during the first half of 1971. Some of the interesting…
Seiko’s New Model Numbering Scheme Explained
In March 2026 Seiko introduced a new model numbering scheme for their watches. This moved away from the traditional…
Catalog: 1974 Citizen Product Catalog No.11
This is the eleventh Citizen Japanese dealer catalog, released during 1974. Some of the interesting models from the…
Catalog: 1973 Citizen Product Catalog No.10
This is the tenth Citizen Japanese dealer catalog, released during 1973. Some of the interesting models from the…
Patent: Seiko Moon Phase Module
Seiko has applied for a patent for a new moon phase mechanism. There is no guarantee that this will be produced but it…
All 2026 H1 Citizen Announcements
In the first half of 2026 Citizen released 197 new models, including 39 limited editions. This article provides details…
All 2026 H1 Grand Seiko & Credor Announcements
In the first half of 2026 Grand Seiko released 28 new models, including 11 limited editions. Credor released six models…
All 2026 H1 Seiko Announcements
In the first half of 2026 Seiko released 99 new models, including 42 limited editions. This article provides details on…
Trademark: Queen Seiko Brand Returning?
Seiko has applied for the registration of the trademark "Queen Seiko" in Japan, US, and various South American markets.…
Brochure: 1962 Citizen Company Brochure
I recently picked up a Citizen company brochure from around 1962. It describes some of the company history and gives an…
Grand Seiko UFA Ushio 300 Bezel Construction
At a recent GS9 Watches & Wonder preview there was an exhibit showing the disassembled mid-case of the new Ushio 300…
Grand Seiko Ginza GS9 Watches & Wonders Preview
I was luck enough to recently attend a GS9 Club event in Ginza to preview the models that were announced at Watches &…
Catalog: 1972 Citizen Product Catalog No.9
This is the ninth Citizen Japanese dealer catalog, released during 1972. Some of the interesting models from the…
Catalog: 1971 Citizen Product Catalog No.8
This is the eight Citizen Japanese dealer catalog issued for the second half of 1971. There are numerous interesting…
Catalog: Citizen Product Catalog No.6
This is the sixth Citizen Japanese dealer catalog issued for the first half of 1970. Some of the interesting models…
Citizen Eco-Drive: Flexible Ring Solar Technology
Traditional solar powered watches have their cells placed under a translucent dial, this limits the materials that the…
Catalog: 1970 Citizen Product Catalog No.5
This is the fifth Citizen Japanese dealer catalog issued for the first half of 1970. Some of the interesting models…
Catalog: 1969 Citizen Product Catalog No.4 Supplement
This is the Supplement issue for the 1969 No.4 Citizen Japanese dealer catalog. This is not the complete catalog, but…
World’s First Analog Solar Watch - Citizen Crystron Solar Cell
In September 1976 Citizen launched the world’s first analog solar powered watch, the Crystron Solar Cell. This was a…
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