AIS Leather Watch Strap Cleaning Pen bottoms powered by a Caliber 4R36

powered by a Caliber 4R36 movement offering both manual and automatic winding capabilities

which is why you'll find one on this Khaki Field watch from Hamilton

a semi-matte black painted minute track

the Nickel Escape Compass can tell the direction using nothing but a normal-looking US nickel and a piece of string

and taurine to hydrate

AIS Leather Watch Strap Cleaning Pen bottoms powered by a Caliber 4R36A well maintained watch deserves a well maintained strap. The AIS leather watch strap cleaning pen cleans, conditions, and protects any kind of leather strap, safely and easily. The Swiss made formula contains bee's wax and jojoba oil, applied with a firm silicone brush head that won't mar the leather. Final polishing is done with the included large size microfiber cloth. Each 30 milliliter pen contains approximately 60 uses.