The Railroad Auto Chrono transports you back in time to when Hamilton first made its name as a precision watchmaker, producing timepieces that helped improve safety on the early railroads. Heritage is the backdrop against which the Hamilton designers have created a versatile wear anywhere watch for the modern man. The automatic chronograph movement adds a dynamic touch and the snailed tachymeter satisfies the need for speed.

Pre-owned Hamilton American Classic Railroad Automatic Chronograph Watch. Reference H40656781. Overall, this watch is in very good condition. Minimal scratches and scuffs can be seen on the high polish parts of the case. This watch  comes with original box, owners manual, and warranty pamphlet. This watch also comes with the Hamilton bracelet specific to this model.

- Ref: H40656781
- Serial No./Year: Not Serialized-/-2021-2023
- Case:
    44mm diameter, 22mm lug width, 15.6mm thickness, 51.75mm Lug-to-lug.
    Stainless Steel
- Caliber: Hamilton H21(Valjoux 7750)
- Complications: Chronograph, Date.
- Power Reserve: 60hr
- Frequency: 28,800 Vph
- Crystal: Sapphire
- Accuracy & Movement Health: 
    Measured Accuracy: +1 sec/day.
    Amplitude: 293
    Beat Error: 0.3
- Band: Original Hamilton Leather Strap and Bracelet(Bracelet Sized to ~6.5")
- Water Resistant: 5bar
- Condition Rank: Very Good: Minimal scratches and scuffs can be seen on the high polish parts of the case. This watch  comes with original box, owners manual, and warranty pamphlet. This watch also comes with the Hamilton bracelet specific to this model.
- Warranty: 90 Days
- Country of Manufacture: Switzerland