I purchased an Alpine strap as an alternative direct replacement 20/18mm for the Hamilton Khaki Field 38 watch. The original Hamilton replacement is $65, so I'm happy with this $25 purchase.
18Mm Black Regular-Length Watch Band For Casio And Other Sport Watches - Voguestrap TX1852 Allstrap
37 Review
14Mm-24Mm WOCCI Vintage Leather Watch Bands With Stainless Silver Buckle - Replacement Strap
39 Review
Upgrade Your Watch Game With WOCCI Premium Silicone Rubber Replacement Straps - Available In Multiple Sizes
17 Review
20Mm Stainless Steel Metal Watch Band For Samsung Gear S2/Galaxy Watch (42Mm)/Gear Sport/Garmin Vivoactive 3/Vivomove HR - NotoCity Black
40 Review
ποΈ NT004 Vintage Unisex Antique Picvadee
10 Review
Waterproof Men'S Sports Watch With Large Face, Stopwatch, Alarm, And LED Back Light For Better Visibility
18 Review
Silver Steampunk Skeleton Mechanical Watch - TREEWETO
10 Review
Mechanical Hand-Winding Skeleton Watches For Men: A Classic, Fashionable Steampunk Dress Watch In Stainless Steel
28 Review