Black 1950s Pattern 20mm Leather Military Watch Strap with Chrome Buckles Titanium General Service Watches - 300m Water Resistant while the similar A-11 model

while the similar A-11 model

a scratch-resistant ceramic bezel

featuring a box sapphire crystal that looks outwardly identical to the original plexiglass crystal

SKU Code: NATO18MM/BGR

Diameter: 39 mm excluding crown / 42

Black 1950s Pattern 20mm Leather Military Watch Strap with Chrome Buckles Titanium General Service Watches - 300m Water Resistant while the similar A-11 modelSKU Code: MWME100 20 These watch straps available in both black and brown and in size 18mm and 20mm were very widely used in the 1950s and 1960s prior to the introduction of today's nylon NATO straps. They look very historically, correct on older military watches as well as on some contemporary models such as the MKIII and G10's as well as remakes of historic models like the GG W 113, W10 and A 11 and many other older watches which don't look correct