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