The Alliance of British Watch and Clock Makers, which organized the fair, said it was the first of its kind in the country. Studio Underd0g founder Richard Benc at the British Watchmakers’ Day fair.

The sun rises late in October’s autumn gloom, and 5:30 a.m. wakeups to run my tireless German shorthaired pointer are pitch-dark affairs. Over the last month, I’ve been looking to check the glowing ...