Hamilton

Railroad Auto

Reference Number :

H40555781

Series : American Classic

Retail: $1,045

(As of: 07/2025)

This watch is not for sale, this page is just for reference purposes only. If you would like to purchase this watch, please contact Hamilton. If you are interested in selling this watch to us, you can contact us here.

Quick TakeForget what you think you know about classic watches. The Hamilton Railroad Auto H40555781 is a piece of industrial art with a heartbeat. Its dial isn't just grey; it's a meticulous design landscape reminiscent of the very pocket watches that kept the nation's trains on schedule. The outer chapter ring is a literal railroad track, and the blued hands slice through time like a locomotive cutting across the plains. This isn't just for show, either. Tucked inside the 40mm steel case is the H-10 automatic movement, a modern workhorse boasting an impressive 80-hour power reserve. That's more than three full days of precision timekeeping without a single wind, a nod to the reliability demanded by the railroad pioneers. Flip it over, and the open case back reveals the intricate mechanical soul, a constant reminder that this watch is more than a pretty face. It's a story of American ingenuity wrapped in sapphire crystal and strapped to your wrist.

DescriptionThe Hamilton American Classic Railroad Auto, reference H40555781, is constructed with a stainless steel case measuring 40mm in diameter and 11.35mm in thickness. Its architecture includes a 20mm lug width for strap integration. The grey dial is protected by a scratch-resistant sapphire crystal, which has been treated with an anti-reflective coating to ensure maximum legibility under various lighting conditions. This model from the American Classic collection is engineered for a water resistance of 5 bar, corresponding to a depth of 50 meters or 164 feet. An open case back is integrated into the design, providing a transparent view of the internal mechanical components. The design is a functional tribute to Hamilton's origins, meticulously balancing form and technical utility.

Powering the H40555781 is the Caliber H-10 automatic movement. This three-hand mechanism incorporates a date function and provides a superior power reserve of 80 hours. Specific to its application in American Classic models, the H-10 is distinguished by intricate contrasting snail and pearled decorative patterns, observable through the aforementioned exhibition case back. The timepiece is secured to the wrist by a calf leather strap, identified by reference H6004051041. This strap terminates in a stainless steel folding clasp, which features a buckle width of 18mm for a secure and comfortable fit. It should be noted that this reference is designated as part of a past collection, making it a legacy piece.

GenderMen

SignaturesHamilton

Country of OriginSwitzerland

Case Size40 mm

MovementAutomatic

CaliberH-10

FunctionsHours, Minutes, Seconds, Date

Power Reserve80 Hours

Case MaterialsStainless Steel

Bezel MaterialsStainless Steel

Lug MaterialsStainless Steel

Case BackSapphire Crystal