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 …
Author Archives: Martin
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 …
Citizen Ace Para Water A1307051 from 1962: Part 1
Although the title of this blog does not identify its main source of horological inspiration, it is fair to say …
A little light relief: a self-build 62MAS/Pelagos 200m diver’s watch
You know, I do realise that this thing here, this documentation of activity spanning the past 14 years, skirts the …
Changing the battery in a Grand Seiko SBGV009 (revisited)
In 2014, I bought a Grand Seiko SBGV009, part of the 50th Anniversary Historic Collection released that year, and an …
The end of the beginning: The Grand Seiko 4520-8000
The emergence of Grand Seiko as a high-end brand with staying-power took some time to resolve convincingly: four years passed …
Adventures in Amateur Watch Fettling 