TSS Watchstraps Main Index

(at least where watchstraps are concerned)

Notes on how to identify the correct fitting size and length you need

In order to identify the correct watch strap size you need

TSS is a Specialist UK supplier of high quality leather watch straps, Rubber & PU Divers Watch Straps Waterproof Watch Straps and watch strap accessories including deployment buckles, spring bars  & selected watch tools.
Lug width

(measure in mm)

- please follow the simple instructions seen below


In order to establish the correct size/fitting for your watch, simply measure the distance (in millimeters) between the case lugs as seen in the illustration above. The determined width will be the size of watch strap you should order.

*In the event that you find the width to be an uneven size, ie. 17mm, 19mm, 21mm etc. and only in the case that you wish to purchase a leather watch strap - TSS recommends that you order the next size larger. The small degree of compression required to fit a 20mm strap to a 19mm lug width is well within the capability of supple hides. (while opinions will vary on this TSS has not yet had a single return arising from compatibility/fit issues when supplying the next size up).

**RE. Spring bars - if you are buying an oversize strap (as described above) it should be noted that the spring bars TSS supply with your strap will be approx. 1mm longer than the lug width of your watch. In this case TSS recommends that (unless damaged) you use the original spring bars supplied with your watch. TSS will be happy to supply spring bars in 17mm/19mm/21mm sizes if you request this via email immediately after placing your order.

Sorry - TSS do not stock or supply watchstraps in 17mm, 19m or 21mm sizes


Watchstrap lengths vary depending on who made it. Rather unhelpfully different watchstrap manufacturers around the world have different ideas of what constitutes a 'regular' or 'standard' length. For example, 'regular' length straps from European manufacturers can vary by up to 18mm in length and as such you should pay particular attention to the dimensions quoted with each item description.

TSS are unable to provide 'suitable for' wrist sizes or 'wearable length' due to there being several variables that make accurately determining wearable length somewhat problematic. The size of your watch, your watches lug to lug distance and to a lesser degree case thickness all need to be taken into account when determining the correct length needed.

The lug to lug distance seen above should be added to quoted long + buckle side demensions as seen below.

The most reliable way
to find out if a specific TSS watchstrap will fit you correctly when attached to your intended watch is to measure the length of your existing strap/watch combination as seen above and compare these dimensions to the sizes quoted with the item descriptions.

*Due to the nature of leather products and the manufacturing techniques used TSS cannot guarantee 'exact' dimensions and a +/- 2mm variance from quoted dimensions is accepted as being 'within reasonable tolerance' for leather watchstraps.

watchstrap dimensions are measured as seen below (when measuring your own strap do not include the buckle)

Deployment clasp and standard buckle compatibility

If you intend to fit your existing deployment clasp instead of using the standard buckle supplied with your strap please note the following buckle end dimension must match that of your existing strap were it attaches to the deployment.

Measure this distance (the standard buckle has been removed in the illustration seen below).

The degree that watchstraps taper, ie. the difference in width between where the strap attaches to your watch and the width at the buckle end can vary.

As a general guide most (but not all) watchstraps taper by approximately 2mm at the buckle end. eg. a 20mm size will be 18mm at the buckle etc. To ensure correct fitting of your existing deployment clasp you should check that any strap you purchase conforms to the size of your existing deployment clasp.

If in doubt please email ken@thestrapshop.co.uk for advice prior to ordering - thank you.

Click here to see the current range of TSS deployment buckles designed to be used with leather watchstraps.

Watchworx TSS stock the following replacement watchstrap designs.

Rubber Nylon Velcro Nato G10 Waterproof Divers Deep Padded Alligator Buffalo Crocodile Ostrich Deployment Watchstraps Aniline Aviator Military Vintage Classic Sports Double Thickness Lizard Calfskin
Anti Allergy Silicon Rubber Nubuck Traditional Saddle Leather Contrast Stitched Hand Finished Extra Long

Watchworx TSS also stock a range of spring bar tools for convenient removal and changing of watchstraps and bracelets

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