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Watch Case Size for a 18 cm Wrist
Watch Case Size for a 18 cm Wrist — recommended case diameter, lug width and strap length.
18 cm wrist: Case 40–44 mm
18 cm (7.1 in) wrist → 40–44 mm case · Lug width 20–22 mm · Medium–Large
These are proportion guides — wear whatever suits your style. A 40 mm watch fits almost any wrist. Larger cases (44 mm+) look most balanced on wrists over 17 cm.
Recommended watch sizing:
| Measurement | Value |
|---|---|
| Case diameter | 40–44 mm |
| Lug width | 20–22 mm |
| Wrist band | Medium–Large |
| Strap length | 20 cm |
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