The Antique Swiss Tramway O'Dusonchet Pocket Watch from the 1920s features a white dial, mechanical (manual) movement with 15 jewels, and a classic open face closure. This vintage timepiece with a silver case and Swiss craftsmanship is perfect for collectors or those looking to add a touch of elegance to their formal attire. The 54mm size makes it a practical yet stylish accessory for men who appreciate the craftsmanship of bygone eras.