Entries by Martin Green

Watches Powered by Body Heat: Did the Bulova Thermatron Foretell a Matrix PowerWatch Heat-Driven Future?

As we all know quartz became a Greek tragedy, but fortunately one with an eventual happy end for most brands. Well, happy for the Swiss brands but not so much for the American brands, in particular Bulova. Martin Green thinks heat may have played a role here and may well again with the technology showcased by the new Matrix PowerWatch.

Annual Calendars Are Goldilocks Complications: Not Too Hot, Not Too Cold, Just Right

Sometimes perpetual calendars are too complicated but a simple calendar just doesn’t cut it anymore because nearly half the months have less than 31 days, making it five adjustments a year too many for some. But don’t fret, there is a middle ground between the most basic calendar watches and complex perpetual calendars: the annual calendar automatically adjusts for each month with 30 or 31 days, meaning just one adjustment per year for the owner in February. Here’s a brief history of the complication.