K-100 Black / Black Rubber Watch

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Instrmnt K-100 features a black casing and black vegan rubber strap manufactured in Italy.

Each of our watches are designed with care in our Glasgow studio. They take inspiration from the industrial design of the mid 20th century and our own personal desire for a watch that paired high quality swiss components with simple, utilitarian design.

Swiss Ronda 585 3H movement

PVD coated 40mm steel casing

Sapphire crystal glass

18 MM Italian rubber strap (vegan)

5 ATM water resistance

2 year warranty

Size Guide

40mm Steel Casing 18mm Italian Leather Strap

Delivery & Returns


This item ships worldwide.


INSTRMNT take the satisfaction of their customers very seriously. Every product is inspected to the highest possible quality standards before dispatch. However, if you are not totally satisfied with your purchase you can return it to them within 14 days for an exchange or full refund. 

About the brand

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    • ESTABLISHED 2014
    • FOUNDERS Ross Baynham
      & Pete Sunderland
    • ORIGIN Glasgow
    • KNOWN FOR Modern, minimalist watches
  • Established in 2014, INSTRMNT design and produce minimal and contemporary watches by blending high-quality Swiss components with simplistic utilitarian aesthetics.

  • Taking inspiration from mid 20th century industrial design, INSTRMNT remove all unnecessary details in order to create modern, minimal watches that are accessible to all.