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Split Seconds

Jack Forster
Hundreds of paid subscribers

Purely Personal Views On Wristwatches, Fine Watchmaking, And Horology News, Reviews, And Collecting

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Substack
PricingFreemiumPublishesWeekly
Issues117Founded4 years agoLast Issue7 days ago
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Latest Issues

On Writing About Atomic Clocks In The Age Of The Rage Economy

And A Note In Support Of Soft Iron Cases

A few days ago, I published a story on a new atomic clock, or so I thought to call it, which was announced by a research group in Singapore. The clock, which uses a single lutetium atom held in an i...

7 days ago
21
20
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Singapore Redefines The Second With The Most Precise Atomic Clock Ever Made

Come for the chicken rice, stay for the 353.6 Terahertz optical transitions of a lutetium ion.

Horology is full of subjects which do not at first lend themselves to easy understanding, mostly because the principles behind the mechanical so...

13 days ago
19
26
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How The First Breguet Sympathique Ever Made Might Have Ended Up In America

"It is only a theory, Watson, but I venture to suggest that it fits the facts." Sherlock Holmes, “The Adventure of the Yellow Face”

Over the last few months, the question of how many Sympathique clocks were made, and their whereabouts, has...

23 days ago
23
3
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Four Conversations At Geneva Watch Days

Including an unexpected airplane encounter with a high energy physicist.

Last Monday, I went up to Le Sentier to interview Daniel Roth. The drive up from my hotel (the Eidelweiss, which is a four star located conveniently close to the hote...

a month ago
25
10
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Space Watches, Part II: Spring Drive, Eco-Drive, And Citizen’s Space Watch Test Program

The case for unusual technical solutions, and what they say about the space watch challenge.

Having just written a lengthy and somewhat maudlin piece on nostalgia, irrational disappointment, and what I can only characterize as the persiste...

2 months ago
16
7
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  • Jack Forster

    Jack Forster is a watch enthusiast, and has been writing about watches professionally for over two decades. Global Editorial Director at Watchbox.com; all Split Seconds content purely personal.

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