Finlay Watches

Finding the right watch size

Two watches with the same diameter can feel surprisingly different. One sits neatly on the wrist; the other seems to reach past it. The difference is often in the lugs, the thickness or the way the bracelet starts to curve.

Diameter is a useful starting point. Lug-to-lug helps finish the picture.

Technical front view of an empty watch case showing lug-to-lug between the upper and lower lug tips.
Lug-to-lug runs between the ends of the case, rather than the ends of the bracelet.

Width and length do different jobs

Case diameter is the width across a round watch, usually without the crown. Lug-to-lug runs in the other direction, from the tips of the upper lugs to the tips of the lower ones. It is the length of the case along your wrist.

A watch with a broad dial and short lugs can have a compact footprint. A smaller dial with long, straight lugs can stretch further than the diameter suggests.

Technical front and sectional views of an empty watch case showing case diameter and thickness.
Diameter describes the width; thickness describes the profile.

The shape between the numbers

Thickness changes the profile. Curved lugs help a case follow the wrist. A soft strap drops away from the case differently from a bracelet with a rigid first link.

The Tissot PRX is a useful example. Its first bracelet links extend past the case before they articulate, adding to the span on the wrist. A case-only lug-to-lug measurement describes one part of that shape, rather than the whole length of the rigid section.

Start with a watch you already enjoy wearing

Measure its width and lug-to-lug, then compare those proportions with the watch you are considering. A paper outline can help you picture the footprint. The numbers become much more useful when you have a familiar point of reference.

Bracelet fit is a separate part of the choice. Removing a link changes the circumference; it does not change the length of the case. That is why both the head of the watch and the bracelet deserve a look.

Try the proportions in our collection

For a closer look at the parts themselves, explore our illustrated anatomy of a watch.

Sources
Condition guide

Grades describe cosmetic condition of the individual watch. New or pre-owned status is separate. Read the listing’s condition report for its specific wear and damage.

Like New
No visible wear under normal inspection. May have been owned or worn.
Excellent
Minimal faint surface marks; no significant scratches or dents.
Very Good
Light scratches or scuffs.
Good
Noticeable wear, including deeper scratches or small dents; see the detailed condition report.
Fair
Significant wear or damage documented in the condition report.
New
Listed as new rather than previously used. Packaging, accessories and warranty information are described separately.
Pre-owned
Previously owned. Cosmetic grade, observed wear, accessories and known service or testing history are described separately.