Formula 1 Solargraph 38

Its lugs add 7.2 mm to the 38 mm case, close to the 7 mm typical across the almanac, so its diameter is a fair guide to how it wears.

On our fit model it sits best on wrists from 6.25" to 7.5" (15.9–19.1 cm); below 6.25" the lugs start to reach the edge of the wrist.

At 9.9 mm thick it is slimmer than 87% of the 115 other sport watches we've measured, so it slides under a cuff more easily than most.