The Sub-39mm Shift Is Real. At Watches and Wonders, Brands Shrank Their Own Watches.
For a decade watches only got bigger. That run is over. In 2026 the proof is not another trend piece, it is brands spending real money at Watches and Wonders to shrink watches they already sold. A working dealer's read on the move back to 36 to 39mm, why it happened, the one measurement that matters more than diameter, and what the shift quietly does to resale value.
June 28, 2026