U-boat 40mm Black SS replacement watch strap
The U-boat 40mm Black SS has a 20mm lug width.
Find the perfect strap for your U-boat 40mm Black SS
Frequently asked questions
What size strap is U-boat 40mm Black SS?
The U-boat 40mm Black SS takes a 20mm strap.
What is the U-boat 40mm Black SS lug width?
The U-boat 40mm Black SS has a 20mm lug width.