Know the size. Then wear the right one.
42,821 watches measured one by one. Find your reference, get the exact lug width, and put a strap on it that was made in Milano.
or use a photo of your watchMATCHED ON 42,110 IMAGES
185 brands14 to 26 mmmeasured, not guessed
Calf, saffiano, suede from €52Browse by brand
Every reference carries its own verified measurement.
Bands that fit, not bands that nearly fit.
Every strap here exists in the width your watch actually takes. Cut and stitched in Milano.
Browse by band size
Know your millimetres already? Go straight to the bands.
What the database can tell you
Answers that rest on a measurement, not on an opinion.
- Does lug width change within the same watch family?67.7% of watch families use more than one lug width. Knowing the family is not enough.67.7%
- What is the most common lug width?20 mm, on 38.8% of measured watches. What the rest of the distribution looks like.20 mm
- Can a watch have an odd lug width like 21 mm?One watch in six takes an odd size. 21 mm is not a rounding error.16.3%
- Why will no strap fit my watch?6.1% of watches have no lug width at all. Here is what to do instead.2,632
Do not know the reference? Show us the watch.
Photograph the dial, the case back or the papers. We match it against 42,110 reference images and read the model. The measurement itself never comes from the photo: it comes from the database record, verified.
Photo recognition opens with the next brand release.

IDENTIFIED, THEN VERIFIED
Seiko Prospex Diver SUN021P1
Prospex Divers · 48 mm case
Where the bands come from
Two houses in Milano, two ways of getting the band you want.











