UR-10 Spacemeter 45.4mm

How it wears

Wears smaller than its 45.4 mm case suggests

Urwerk UR-10 Spacemeter 45.4mm measures 44 mm lug-to-lug on a 45.4 mm case, a lug-to-lug ratio of 0.97 against a database median of 1.18. That span is shorter than 78% of the 7,421 watches in this database and shorter than 93% of the 28 Urwerk watches listed.

A flat wrist width of 49 mm (1.93 in) or more keeps it in the balanced range, and from 59 mm (2.32 in) it starts to look compact. Below 44 mm (1.73 in) the lugs are likely to overhang the wrist. Flat wrist width is measured straight across the top of the wrist, not around it.