SEIKO ウオッチ機械台セット
Anyone who has experience working with a variety of different watch movement calibres will be familiar with the benefits and …
Previous articles
Loose-end trivia: date disk alignment and the Seiko instruments NH36
In sweeping up a few loose ends from the past few months of behind-the-scenes activity, this brief entry documents a …
Namokimods Nautilus Self-Build
This past year has been a particularly busy one in my day job, leaving less disposable time to spend footling …
The world’s first transistorised electronic balance movement: The Citizen Cosmotron X8
The heart of every mechanical watch movement is the balance, whose role is to control the release of power from …
A faux milspec 6309 revisited: Seiko 6309-8010 from 1976 and 1977
One of my longest-lived watches is a grab ‘n’ go beater, a bastardised aggregation of disconnected parts that came together …
Lift angle: Seiko Business-A 8346A and Bell-Matic 4006A
If you have ever used a timegrapher to measure the timing of a mechanical watch, you will have come across …
A Seiko Champion 850 Alpinist J13079 from May 1963
In 1959 Seiko released the Seiko Laurel Alpinist, a recreational sports watch designed specifically to meet the needs of Japanese …
Perturbations and the act of observation: A Seiko 6139-8040 from November 1974
In classical physics, a foundational principle is that it is possible to assign precise values simultaneously to all physical properties …
The last watch I would ever own: Citizen Promaster PMT56-2731
Four years before stepping over the precipice and into a horological rabbit hole, I bought the last watch I would …
Watches for sale
I currently have comfortably more than 50 completed projects, quite a number of which rarely worn. 50+ watches is frankly …
Citizen Ace Para Water A1307051 from 1962: Part 2
In part 1, we made our introductions and rendered one rather beautiful Citizen Ace Parawater into its constituent parts. Most …
Adventures in Amateur Watch Fettling 