17MM 18MM 19MM 20MM 21MM 22MM 23MM 24MM 26MM. U-Boat Watches with Lug Openings of 18mm, 19mm, 20mm, 22mm, 24mm, 26mm. Material: Genuine Calf Leather, 316L Stainless Steel Buckle. Watch Band Links. Watch Bands.
eBay