Part 2: A King Seiko J14102 from January 1963
With the introductions having been made in the preceding post, we can start this second entry with the customary mugshots …
Author Archives: Martin
The first King Seiko: Part 1
Just as the king is the second-highest ranked card in a deck of cards, so, from its outset, has the …
Citizen Cosmotron X8 postscript
Those of you who read the recent account of the restoration of an early Citizen Cosmotron X8 electric watch may …
Three into one: Seiko 5 Sportsmatic Deluxe 7619-7050 from November 1965
Two and a half years ago, I won a Yahoo Japan auction for a lot of seven watches, all but …
Perpetually peripheral: The Citizen Jet Autodater 7
Most automatic winding mechanisms employ a winding weight pivoting about a centrally-mounted bearing. In some designs, the winding weight is …
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 …
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 …
Adventures in Amateur Watch Fettling 