Side by side

Hamilton American Classic RailRoad AutovsYema Flygraf Bi-Compax French Air Force

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

American Classic RailRoad Auto
HamiltonAmerican Classic RailRoad Auto
MSRP $1,295
Flygraf Bi-Compax French Air Force
YemaFlygraf Bi-Compax French Air Force
MSRP $490

At a glance

12 of 29 specs differ
Diameter
American Classic RailRoad Auto32mm
Flygraf Bi-Compax French Air Force40mm
Power Reserve
American Classic RailRoad Auto43h
Flygraf Bi-Compax French Air Force40h
Water Resistance
American Classic RailRoad Auto50m
Flygraf Bi-Compax French Air Force100m
MSRP
American Classic RailRoad Auto$1,295
Flygraf Bi-Compax French Air Force$490

Full specifications

Case

7 specs
Category
Dress
Chronograph
Diameter
32mm
40mm
Thickness
11.3mm
9.5mm
Lug-to-Lug
46mm
Lug Width
16mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
50m
100m

Crystal & Dial

1 specs
Dial Color
Beige
Black

Movement

3 specs
Caliber
ETA 2681
Type
Automatic
Quartz
Power Reserve
43h
40h

Pricing

1 specs
MSRP
$1,295
$490

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Hamilton American Classic RailRoad Auto

Owners widely praise the Hamilton American Classic RailRoad Auto as a versatile everyday watch, noting its stellar appearance on bracelet or strap and the desirable H-10 movement providing an 80-hour power reserve. The 40mm case, measuring 11.35mm thick with slightly turned-down lugs, contributes to a thinner perceived profile. It is offered for $430 shipped and includes a travel pouch.

Yema Flygraf Bi-Compax French Air Force

Owners widely praise the Yema Flygraf Bi-Compax French Air Force for its attractive, toolish aesthetic and excellent quality for the price, noting the legible Type A dial and 40mm titanium case. However, the acrylic crystal scratches easily, and the titanium case is prone to marking. The mecha-quartz movement's chrono timer sweeps rather than ticks, and one owner questions the purpose of the oversized crown. The in-house Yema 2000 movement is accurate at +/- 10 seconds per day but has a 42-hour power reserve, and some owners express concerns regarding Yema's past quality control and customer service. On balance, owners rate the Yema Flygraf Bi-Compax French Air Force highly for its attractive design and value, despite concerns about material durability and brand service history.

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