1927 Hamilton 992/21 Jewel Railroad Grade Pocket Watch Encased - Etsy UK
Hamilton Grade 992 Vintage Pocket Watch 16 Size 21 Jewels - Etsy UK
Hamilton 992B Montgomery Dial Railroad Pocket Watch | Cowan's Auction House: The Midwest's Most Trusted Auction House / Antiques / Fine Art / Art Appraisals
File:Vintage Hamilton Pocket Watch, Open Face, Model 1, Grade 992, Size 16s, 21 Jewels, Railroad Grade, Circa 1918 (17126391685).jpg - Wikimedia Commons