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Home > What Size Watch Band?
 

What Size Watch Band?

Guide to buying a leather watch band
 

This is a step-by-step guide to choosing a leather, rubber, or other non-metal watch band to fit both your watch and your wrist.



Step 1: 

Determine the Attachment Style

The Watch Prince offers many brands, sizes, and styles of watch bands. With the exception of select models for Casio, Seiko, Steinhausen, and Swatch, we offer standard, non-integrated straps.

If your watch accommodates a strap with a straight end ("Standard" photo, below), proceed to Step 2. If your watch band integrates with the watch case ("Integrated" photo, below) we will not have a strap for you.
 

We have these...

What size watch band?
Standard

If your watch utilizes this type of strap, you are shopping at the right place! The Watch Prince offers watch bands for both men and women, ranging in size from 6mm to 30mm.

Not these...


Integrated

If your watch band integrates with the watch case, we will not have a strap for you. Exceptions include select models from Casio, Seiko, Steinhausen, and Swatch.

If your watch is Standard
(accommodates a strap with a straight end)
...proceed to step 2



Step 2: 

Determine the Strap Size

You will first want to know what size watch band is needed for your watch. To do so requires that you know the distance between the lugs (the area where your strap fits into the case). Strap size measurements are made in millimeters.

You may determine the size you need using one of the following methods:

when measuring, it is always best to measure the watch case, rather than an existing leather strap. The leather strap may have shrunk over time, or it may not be the proper size. We have seen many watches with straps on them that were not the correct size to begin with. 

method a: Check for a size imprint on your current strap — if you currently have a leather watch band on your watch, look at the interior to see if the size is imprinted (like photo, below). In this example, we will select the strap at far left with the “22” imprint.

Size imprints on leather watch bands
Size Imprint

Strap Size: 22mm

If your current strap has a size imprint
...proceed to step 3


method b: Measure using a metric ruler — measure the distance between the lugs of your watch in millimeters (mm) using a metric ruler (like the one shown in the photo, below).

Measuring watch lugs with metric ruler
Metric Ruler

If you are measuring with a strap on the watch (as shown in photo below), be sure to measure the lug width, rather than the strap itself.


Metric Ruler w/strap on watch

Strap Size: 22mm

Watch bands are sized in millimeters,
so you may skip the other methods and ...proceed to step 3


↓ Size Conversion ↓
Inches Millimeters
1 1/5" (1.18") 30mm
1 1/10" (1.10") 28mm
1" 26mm
15/16" 24mm
7/8" 22mm
13/16" 21mm
25/32" 20mm
3/4" 19mm
11/16" 18mm
21/32" 17mm
5/8" 16mm
19/32" 15mm
9/16" 14mm
1/2" 13mm
15/32" 12mm
7/16" 11mm
3/8" 10mm
11/32" 9mm
5/16" 8mm
1/4" 6mm
Inches Millimeters
↑ Size Conversion ↑
 
↓ Length Conversion ↓
Men's Lengths
6.50" - 7.25" Short
7.25" - 7.75" Regular
7.75" - 8.00" European Standard
8.00" - 8.65" Long
8.65" - 9.25" Extra-Long
9.25"+ XX-Long
Ladies' Lengths
6.20" - 6.50" Short
6.60" - 7.10" Regular
7.20" - 7.70" Long
 

↓ Padding Conversion ↓

Padding Strap
Thickness
Flat Less than 3mm
Light 3mm - 4mm
Moderate 4mm - 5mm
Heavy over 5mm

 
method c: Measure using an English (Imperial) ruler— measure the distance between the lugs of your watch in inches using an English ruler (like the one shown in the photo, below), and then convert the measurement to millimeters (mm) using the size conversion chart (at right). In the example below, the measurement is 7/8, the equivalent of 22mm.

Measuring watch lugs with English ruler
English (Imperial) Ruler
a ruler that measures in inches

Strap Size: 22mm

Once you have converted your measurement
from inches to millimeters you may ...proceed to step 3


method d: Measure using caliper — a caliper makes it easier to arrive at a precise measurement of the distance between your watch lugs. You might use either a Vernier caliper, or a more advanced Digital caliper. If your caliper measures in inches you may simply convert the measurement to millimeters (mm) using the size conversion chart (at right).

Using caliper to measure lug width of wrist watch
Vernier Caliper


Digital Caliper

Strap Size: 22mm

Once you have determined your
measurement in millimeters you may ...proceed to step 3



Step 3: 

Determine the Strap Length

If you have previously purchased watch bands, and never given much (or any) thought to strap length, it might be safe to order a "Regular" length. If you suspect that your wrist might be above or below average in size, it is very important to determine what length is best for you. Either way, you can avoid the hassle of an exchange by verifying your length requirement. Strap length measurements are made in inches.

You may determine the length you need using one of the following methods:
 

method a: Measure your existing leather strap — if you have an existing leather strap that fits, measure it to determine your required length. Measure leather, only (do not include buckle), using an English ruler (remember, we are using inches to measure length).

Measuring length of leather watch strap

Measuring strap length with English ruler

Lay both sections of strap end-to-end on the ruler (exclude buckle, as shown in photo) and measure together for Total Length.

Total Length Measurement: 7.50"
 
↓ Size Conversion ↓
Inches Millimeters
1 1/5" (1.18") 30mm
1 1/10" (1.10") 28mm
1" 26mm
15/16" 24mm
7/8" 22mm
13/16" 21mm
25/32" 20mm
3/4" 19mm
11/16" 18mm
21/32" 17mm
5/8" 16mm
19/32" 15mm
9/16" 14mm
1/2" 13mm
15/32" 12mm
7/16" 11mm
3/8" 10mm
11/32" 9mm
5/16" 8mm
1/4" 6mm
Inches Millimeters
↑ Size Conversion ↑
 

 
Compare the Total Length Measurement to the length conversion chart (at right) to determine your Desired Length.

In our example, we can look at the length conversion chart, at right, and determine that 7.50" falls within the Men’s Regular length range of 7.25" - 7.70"

Total Length Measurement: 7.50"
Desired Length: Regular (7.25" - 7.70")

Once you have determined your desired length you may
...proceed to step 4

 
method b: Calculate length requirement (the "Ribbon Method") — this is a bit more involved, but the time spent can help ensure that you order a watch band with the proper length.

First, measure the circumference of your wrist. To measure the circumference of your wrist, you will want to use some ribbon or string — we prefer ribbon, as it is a bit easier to use. Cut a piece about 12 inches in length.


Ribbon / 12-inch piece

Wrap the ribbon around your wrist (as snugly as you like your watch to fit). As shown in the photo, it may be a bit easier if you tape one end to your wrist. After you have the ribbon wrapped to your liking, apply a second piece of tape to secure the position of the ribbon. Be sure that you don't place tape over the area that meets up with the ribbon end.


Tape ribbon to wrist

Now, mark the ribbon where it meets up with the end that your first taped to your wrist (a Sharpie pen works well).


Mark ribbon

Next, measure the ribbon to determine wrist size. Lay the ribbon down on an English ruler to measure from the taped end to the mark you made. This is your wrist size.



Measuring ribbon on ruler

Wrist Size: 7.375 inches (7 3/8")

We have now determined the wrist size. Generally, you can use this measurement as in indicator of desired strap length.

 
↓ Length Conversion ↓
Men's Lengths
6.50" - 7.25" Short
7.25" - 7.75" Regular
7.75" - 8.00" European Standard
8.00" - 8.65" Long
8.65" - 9.25" Extra-Long
9.25"+ XX-Long
Ladies' Lengths
6.20" - 6.50" Short
6.60" - 7.10" Regular
7.20" - 7.70" Long

 
If you are beginning to lose patience and are willing to accept that "close enough" is "good enough, then simply compare your Wrist Size to the length conversion chart (at right) to determine your Desired Length. You may then proceed to step 4.

HOWEVER, if you want a more precise measurement, there are more calculations to perform in order to identify the desired strap length for your wrist.

Next, measure the watch case. The watch itself will span part of the distance around your wrist. Measure it from the lug pinholes on the 12 o'clock side to the pinholes on the 6 o'clock side (as shown in photo, below). This is your Case Size.



Watch case on ruler

Case Size: 1.875 inches

Next, subtract case size from your wrist size.

wrist size: 7.375"
subtract case size: - 1.875"
remaining distance: 5.50"

Does this mean that you need a 5.50 inch leather watch band? No —  there is one more calculation to make.

Next, add distance from strap tip to middle hole. This is where most like to fasten their straps. (If there is an even number of holes, use the fourth hold from the strap end.)


Long section of strap

The distance will vary from one watch strap to another, it is typically 1.50 inches to 1.75 inches. In this example, the distance is 1.75 inches. That needs to be added to the "remaining distance" that we calculated above.

wrist size: 7.375"
subtract case size: - 1.875"
remaining distance: 5.50"
add distance to middle hole: + 1.75"
Total Length Measurement: 7.25"
 
↓ Length Conversion ↓
Men's Lengths
6.50" - 7.25" Short
7.25" - 7.75" Regular
7.75" - 8.00" European Standard
8.00" - 8.65" Long
8.65" - 9.25" Extra-Long
9.25"+ XX-Long
Ladies' Lengths
6.20" - 6.50" Short
6.60" - 7.10" Regular
7.20" - 7.70" Long

 
Finally, compare the Total Length Measurement to the length conversion chart (at right) to determine what length is going to work best for you — your Desired Length.

In our example, we can look at the length conversion chart and determine that 7.25 inches falls within the Men’s Regular length range of 7.25 - 7.70 inches.

Total Length Measurement: 7.25"
Desired Length: Regular (7.25" - 7.70")

Most regular-length straps will measure 7.40 inches. For many it will not be possible to find a strap that is exactly your target length. Minor differences will not matter much. The important objective is to have enough strap to reach through buckle, yet not so much excess that it is annoying. 

 

Once you have determined your desired length you may
...proceed to step 4


 
↓ Length Conversion ↓
Men's Lengths
6.50" - 7.25" Short
7.25" - 7.75" Regular
7.75" - 8.00" European Standard
8.00" - 8.65" Long
8.65" - 9.25" Extra-Long
9.25"+ XX-Long
Ladies' Lengths
6.20" - 6.50" Short
6.60" - 7.10" Regular
7.20" - 7.70" Long

Step 4: 

Search for straps meeting your size/length criteria — now that you know what size and length of watch strap you need, you may search our website to see what we have available.

In our example, we have identified the following:
 

Size: 22mm
Length: Regular
22mm regular

With this information, you can place your computer cursor in the "Search Website" box and type in 22mm regular then click the green "Search" button. After clicking the "Search" button, results will be displayed. You will see thumbnail images; click on any image to view a product page providing product descriptions, details, and larger photographs.  

You may further refine your search by adding a color and/or style descriptor to your size in the search keywords box.

Browse our site categories — Some people prefer to browse. Now that you know your size, you may simply browse our site using links in the left margin or the top menu. Most our our categories have tools to help you filter down to particular sizes or search within that category for a specific size or color.


   
   
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