Sizing Data
Will this watch fit my wrist? The Fit Matrix
A watch fits when its lug-to-lug distance — the tip-to-tip span of the lugs — does not exceed the flat width of your wrist. Diameter is the number on the box; lug-to-lug is the number that decides overhang. The table below lists case diameter, lug-to-lug, thickness, and lug width for every watch in our catalogue with published dimensions, plus a wrist-size verdict for each.
Quick answer: lug-to-lug of 44mm or less suits 6.0–6.5″ wrists, 44–48mm suits 6.5–7″, 48–52mm suits 7–7.75″, and anything over 52mm is best on 7.5″+ wrists. Shape still matters at the margins — integrated bracelets and cushion cases wear smaller than their numbers — but this rule keeps a watch from overhanging. Tap any column header to sort; tap a model for its full review.
| Wrist verdict | |||||
|---|---|---|---|---|---|
| CitizenTsuyosa Automatic | 40mm | 45mm | 11.7mm | — | Suits 6.5–7″ wrists |
| TissotPRX Powermatic 80 | 40mm | ~45mmoverall length (integrated bracelet) | 10.9mm | — | Suits 6.5–7″ wrists |
| JunghansForm A Automatic | 39.3mm | 46mm | 9.5mm | 20mm | Suits 6.5–7″ wrists |
| SeikoProspex Alpinist | 39.5mm | 46.4mm | 13.2mm | 20mm | Suits 6.5–7″ wrists |
| Frederique ConstantSlimline Moonphase Manufacture | 42mm | 47mm | 11.3mm | 21mm | Suits 6.5–7″ wrists |
| Frederique ConstantHighlife Automatic COSC | 41mm | ~47mm | 11.05mm | — | Suits 6.5–7″ wrists |
| JunghansMax Bill Chronoscope | 40mm | ~47mm | 14.4mm | 20mm | Suits 6.5–7″ wrists |
| HamiltonKhaki Field Automatic | 38mm | 47mm | 11mm | 20mm | Suits 6.5–7″ wrists |
| MidoMultifort Powerwind Chronometer | 40mm | ~47mm | 11.95mm | 21mm | Suits 6.5–7″ wrists |
| SeikoPresage Cocktail Time | 40.5mm | 47mm | 12mm | 20mm | Suits 6.5–7″ wrists |
| TudorBlack Bay 58 | 39mm | 47mm | 11.9mm | 20mm | Suits 6.5–7″ wrists |
| LonginesMaster Collection Moonphase | 40mm | ~47.5mm | 12.85mm | 20mm | Suits 6.5–7″ wrists |
| SeikoProspex "Turtle" | 44.3mm | 47.5mm | — | 22mm | Suits 6.5–7″ wrists |
| OmegaSpeedmaster Professional | 42mm | 47.5mm | 13.18mm | 20mm | Suits 6.5–7″ wrists |
| Maurice LacroixAikon Automatic | 42mm | ~47.6mm | 11.6mm | — | Suits 6.5–7″ wrists |
| SeikoProspex 62MAS Modern Re-interpretation | 40.5mm | 47.6mm | 13.2mm | 20mm | Suits 6.5–7″ wrists |
| OrisBig Crown Pointer Date | 40mm | ~48mm | 13mm | 20mm | Suits 6.5–7″ wrists |
| CasioG-Shock GA-B2100 CasiOak | 45.4mm | 48.5mm | 11.8mm | — | Suits 7–7.75″ wrists |
| HamiltonIntra-Matic Auto Chronograph | 40mm | 49.2mm | 14.6mm | 20mm | Suits 7–7.75″ wrists |
| Raymond WeilFreelancer Open Heart | 42mm | ~49.5mm | 12mm | — | Suits 7–7.75″ wrists |
| BreitlingNavitimer B01 | 43mm | ~50mm | 13.6mm | 22mm | Suits 7–7.75″ wrists |
| LonginesHydroConquest Automatic | 41mm | 50mm | 11.7mm | 21mm | Suits 7–7.75″ wrists |
| BulovaLunar Pilot Chronograph | 45mm | ~50mm | 13.5mm | 22mm | Suits 7–7.75″ wrists |
| RadoCaptain Cook High-Tech Ceramic | 43mm | 50mm | 15.4mm | 22mm | Suits 7–7.75″ wrists |
| Tag HeuerAquaracer Professional 300 | 43mm | 50mm | 12.45mm | 21mm | Suits 7–7.75″ wrists |
| Tag HeuerCarrera Chronograph | 42mm | ~50mm | 14.5mm | 20mm | Suits 7–7.75″ wrists |
| MidoOcean Star GMT | 44mm | 50.1mm | 13.4mm | 22mm | Suits 7–7.75″ wrists |
| HamiltonVentura Quartz | 32.3mm | 50.3mmcase length (asymmetric shield case) | — | — | Suits 7–7.75″ wrists |
28 watches listed. Watches without a published lug-to-lug figure in our research dossiers are omitted rather than estimated. “~” marks figures our sources give as approximate. Dimensions last reconciled 2026-08-12.
Methodology
The wrist verdict is computed from lug-to-lug alone, using these bands: lug-to-lug ≤ 44mm → suits 6.0–6.5″ wrists; 44–48mm → 6.5–7″; 48–52mm → 7–7.75″; over 52mm → 7.5″+. Verdicts are a floor for comfortable wear, not a ceiling — a compact watch is fine on a large wrist if you like the proportions. All dimensions come from our per-watch research dossiers; where a case is asymmetric or the bracelet is integrated, the stated length is noted in the table. We do not compare prices on this page.
Fit questions, answered
What measurement decides whether a watch fits my wrist?
Lug-to-lug distance — the span from the tip of the top lugs to the tip of the bottom lugs — matters more than case diameter. If the lug-to-lug exceeds the flat width of your wrist, the lugs overhang and the watch looks and feels too big regardless of diameter.
How do I measure my wrist for a watch?
Wrap a flexible tape (or a strip of paper you then measure against a ruler) around your wrist just below the wrist bone, where a watch actually sits. Note the circumference in inches. Most fit guidance, including this table, is keyed to that circumference.
What wrist size does each lug-to-lug range suit?
The rule this table applies: lug-to-lug of 44mm or less suits 6.0–6.5″ wrists; 44–48mm suits 6.5–7″; 48–52mm suits 7–7.75″; above 52mm is best on 7.5″ and larger wrists.
Why do some watches wear smaller than their diameter suggests?
Short lugs, integrated bracelets, and cushion cases pull visual mass close to the wrist. That is why a 44.3mm Seiko Turtle (47.5mm lug-to-lug) can fit wrists a 40mm Hamilton Intra-Matic (49.2mm lug-to-lug) overhangs.
What does lug width tell me?
Lug width is the gap between the lugs where the strap attaches. It sets which replacement straps fit: a watch with 20mm lugs takes any 20mm strap. It has no effect on how large the watch wears.
Cite this data
watchshowdown.com Fit Matrix, retrieved August 2026. (https://watchshowdown.com/fit/)
Free to cite with attribution. Dimensions transcribed from manufacturer specifications collected in our research dossiers; last updated 2026-08-12.