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Al-Battani

Koa & Jet Black

CA$499

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More than 1,000,000 happy customers worldwide

Delivery: Sold out
Free shipping with tracking number to Canada Our CA customers enjoy free delivery without any import duties or taxes! Learn more>
24 months warranty If you find a defect in your model, please contact our customer support and we’ll find the best solution for you. Learn more>
24-day refund policy You are free to return your model within the 24-day period. Learn more >
No after-sale duties or taxes for CA

DESCRIPTION

In the 10th century A.D, this Syrian mathematician brought Indian mathematics to the Arabian world and then further on to Europe. His most important contribution was surely to the field of trigonometry in that he was the first to use sine and also explain the ratio of a tangent.

EAN: # 9010631003807

At the moment this model is currently SOLD OUT.

All of our products are manufactured in small batches to ensure as much variety as possible for our customers.
Get your favorite piece of nature from our current collections, as long as stocks last.

Technical details

Case

43mm diameter, made from koa wood and stainless steel in silver

Dial

Stainless steel in jet black

Movement

Quartz movement by Seiko

Bracelet

Adjustable length, made from koa wood and stainless steel in silver (fits on every male wrist)

Extra Features

Innovative Easy-Switch interchangeable bezel system

Core Features

Easy-Switch Bezel

Making our watches even more unique? We make it possible with our Easy-Switch interchangeable bezel system. A specialized construction of the case and bezel allows the bezel to be removed, and replaced via a simple twist movement, with watches that have this function.
One watch - an endless amount of styles. Long live diversity!

Easy-Switch Bezel

PACKAGE CONTENTS

Your model

Safe-keeping box

Pillow

Tools and accessories

Warranty card

Authenticity certificate

THIS IS WHAT HOLZKERN STANDS FOR

Uniquely natural

Nature through and through, that's what our watches & pieces of jewelry stand for. The unique structures of wood and stone make your Holzkern product truly one of a kind.

The Holzkern family

With your purchase at Holzkern, you are supporting a young start-up that was founded as a family business in Upper Austria in 2015.

Sustainably packaged

Our watches, bandlets and jewelry are packed in high-quality wooden boxes. We also use recycled paper to protect your order during shipping and, thanks to our self-adhesive boxes, we don't use plastic tape.

Order today, already on its way

As soon as you order, your unique piece will be on its way to you. Is that too fast for you? No problem, after receiving your goods you have 24 days to change your mind if you don't like them 100%.