š FUNNY QUESTION. SERIOUS ANSWER.
Which part of a cow hide makes the better watch strap ā the shoulder or the butt/back?
Yes... it sounds ridiculous.
Yes... leather people take this very seriously. š
A lot of people assume:
"The butt/back is denser, so it must automatically be the best."
But when it comes to watch straps, the answer is a little more nuanced.
Let's break it down.
š Shoulder Leather
The Balanced Overachiever
Shoulder leather can offer a useful balance between firmness and flexibility, making it a popular choice for many leather applications.
For watch straps, this balance can make it easier to shape and work with, while offering a comfortable feel on the wrist.
Why do people like it?
āØ Good balance of firmness and flexibility
āØ Easy to shape and construct
āØ Comfortable for everyday wear
āØ Suitable for refined and dressier strap designs
The Trade-Off
Depending on the exact area of the hide and the tanning process, shoulder leather may show more natural wrinkles, grain variation, or markings.
For many leather enthusiasts, that's not a flaw.
It's part of the character.
At a Glance
Comfort: āāāāā
Workability: āāāāā
Structure: āāāāā
Refined Strap Potential: āāāāā
š Butt / Back Leather
The Gym Bro of the Hide šŖš
The butt and back areas generally have a denser fibre structure than areas such as the belly.
That makes them well suited to applications where strength, durability, and resistance to stretching are important.
Why do people use it?
āØ Dense fibre structure
āØ Excellent durability
āØ Good resistance to stretching
āØ Suitable for firmer, more substantial straps
The Trade-Off
That extra density can also mean a firmer feel.
For some dress watch straps, the leather may need to be split, thinned, shaped, or properly broken in to achieve the right balance between structure and comfort.
At a Glance
Durability: āāāāā
Stretch Resistance: āāāāā
Comfort Straight Away: āāāāā
Refined Strap Balance: āāāāā
š So... Who Wins?
The honest answer?
It depends.
A great watch strap doesn't just need strength.
It also needs:
ā Flexibility
ā Comfort
ā Shape retention
ā Durability
ā Visual character
For many refined watch straps, a well-selected piece of shoulder leather can offer an excellent balance of comfort and workability.
For a firmer, more durable strap, leather from the back or butt area may be better suited.
The exact result depends on the quality of the hide, the tannery, the tanning process, the precise cut, and how the strap is constructed.
š The Sweet Spot
Some leather makers value areas around the shoulder-to-back transition or central back sections because they can offer a useful balance between fibre density and flexibility.
It's a little like finding the sweet spot between:
Too soft.
Too stiff.
Just right.
But remember:
Where the leather comes from is only part of the story.
The quality of the hide and how it is processed can make just as much difference.
š« And What About Belly Leather?
Let's be honest...
No one invited Belly to this party. š
The belly area generally has a looser fibre structure and tends to stretch more easily than denser parts of the hide.
It can also be more prone to deformation.
For that reason, belly leather is generally less desirable when you want a watch strap that maintains a stable shape and resists stretching over time.
That doesn't mean it has no uses.
It simply isn't usually the first choice for a structured, stable watch strap.
š The Simple Answer
š Shoulder
The balanced all-rounder
Good balance of:
Flexibility + Comfort + Workability
š Butt / Back
The stronger, firmer option
Good balance of:
Density + Durability + Stretch Resistance
š« Belly
Generally less suitable for structured straps
More likely to have:
Looser fibres + More stretch + Less dimensional stability
š Final Verdict
If you want a watch strap that's:
ā Elegant, comfortable, and refined
A well-selected shoulder leather can be an excellent choice.
If you want something:
š ļø Firmer, tougher, and more resistant to stretching
Dense leather from the back or butt area may be better suited.
But the real answer is this:
The best watch strap isn't simply about which part of the cow it came from.
It's about the quality of the hide, the tannery, the tanning process, the cut, and the craftsmanship that turns it into a strap.
Because great leather is about much more than where the cow stood.
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