Horween Leather Watch Strap - handmade from high quality Derby leather in the USA

This Horween leather watch strap is hand crafted from Horween Derby leather.
Derby is a vegetable tanned full grain leather that is heavily stuffed with
waxes and fats. These fats and waxes keep the leather supple, as well as
resistant to the elements. To further soften it, this leather is tumbled as
well. Finally, being a full grain leather, it shows the natural variations in
the leather.

-Material: Full-grain vegetable-tanned leather
-Thickness: 3 mm (please message me if you desire a thicker or thinner strap)
-1 fixed and 1 floating keeper
-5 holes spaced 7 mm apart starting 32 mm from tip
-Polished stainless steel buckle
-Stitched with high-quality German polyester thread
-An Ecru colored stitch was used on the straps in the photos
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Sizing Chart:

Strap Length: 115/65mm for wrist sizes: 153mm-167mm
Strap Length: 120/70mm for wrist sizes: 163mm-177mm
Strap Length: 125/75mm for wrist sizes: 173mm-187mm
Strap Length: 130/80mm for wrist sizes: 183mm-197mm
Strap Length: 135/80mm for wrist sizes: 188mm-202mm
Strap Length: 140/85mm for wrist sizes: 198mm-212mm
Strap Length: 145/90mm for wrist sizes: 208mm-222mm

If your wrist size falls into 2 ranges, choose the smaller size if you prefer
a shorter strap tail, or the larger size if you prefer a longer strap tail.

All sizes are based off of a watch that is 39mm from spring-bar to spring-bar.
To be as precise as possible, subtract your spring-bar to spring-bar
measurement (in millimeters) from 39mm, then add that number to your wrist
circumference measurement. Use this new wrist circumference when referencing
the chart.

For example:
A customer with a 175mm wrist has a watch that is 42mm from spring-bar to
spring-bar: (39mm-42mm) + 175mm = 172mm => Best size: 120/70mm strap

If this is too complicated, please feel free to message me and I will get it
all sorted out for you.
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About the Leather:

WHERE IS HORWEEN DERBY LEATHER FROM?
Derby Leather comes from the Horween Tannery in Chicago, IL USA. Horween was
founded over 113 years ago and is the oldest tannery in the United States.
Horween produces many famous tannages including leather for regulation NFL
footballs and NBA basketballs, Shell Cordovan, and Derby/Dublin..

WHAT IS THE FINISH OF HORWEEN DERBY LEATHER?
Derby leather has a semi-smooth, low gloss finish with occasional wrinkles on
some parts of the hide. Derby is a vegetable tanned full grain leather that is
heavily stuffed with waxes and fats. This high fat and wax content is
responsible for Dublin’s, and to a lesser degree, Derby’s “pull-up” effect.
Pull-up is the temporary shift in color that occurs when a leather is flexed
due to the displacement of the internal oils and waxes.

WHAT IS THE TEMPER OF HORWEEN DERBY LEATHER?
Derby leather is of a medium-soft temper. It is supple due to the high fat and
wax content. Derby is essentially Dublin leather that has been tumbled to add
suppleness and texture.

HOW DOES HORWEEN DERBY LEATHER AGE?
Derby ages more gradually than the Italian vegetable tanned leathers. This is
in part due to its somewhat weather proof nature. The grain of this leather is
protected by the large amount of fats and waxes introduced via the hot-stuffing
process, so it is less influenced by abrasion. Derby will eventually darken
with use however.