Side by side

Hamilton American Classic RailRoad Auto ChronovsBoldr Odyssey Regatta

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

American Classic RailRoad Auto Chrono
HamiltonAmerican Classic RailRoad Auto Chrono
MSRP $2,045
Odyssey Regatta
BoldrOdyssey Regatta
MSRP $1,499

At a glance

11 of 29 specs differ
Diameter
American Classic RailRoad Auto Chrono44mm
Odyssey Regatta45.5mm
Power Reserve
American Classic RailRoad Auto Chrono60h
Odyssey Regatta40h
Water Resistance
American Classic RailRoad Auto Chrono50m
Odyssey Regatta500m
MSRP
American Classic RailRoad Auto Chrono$2,045
Odyssey Regatta$1,499

Full specifications

Case

5 specs
Category
Chronograph
Diver
Diameter
44mm
45.5mm
Thickness
15.3mm
16mm
Lug-to-Lug
46mm
52mm
Water Resistance
50m
500m

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
Black
Regatta Admiral Blue
Lume
None
Super-LumiNova

Movement

2 specs
Caliber
H-21
ETA Valjoux 7750
Power Reserve
60h
40h

Pricing

1 specs
MSRP
$2,045
$1,499

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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 Chrono

Owners widely praise the Hamilton American Classic RailRoad Auto Chrono for its historical brand appeal and spectacular appearance, calling the ETA 7750 movement a "tank" and appreciating the date magnifier's integration. Some find its design a bit busy compared to other models. One owner notes an 80-hour power reserve from the H-10 movement and a 40mm case with turned-down lugs for a thinner appearance. Overall, owners rate the Hamilton American Classic RailRoad Auto Chrono highly for its historical brand appeal and robust movement at its price point.

Boldr Odyssey Regatta

The Boldr Odyssey Regatta is noted for its robust functionality and utilitarian design, powered by a Valjoux 7750 Elaboré movement. It features a tachymeter bezel graduated in knots and offers 500m water resistance. While its 45.5mm diameter, 18.2mm thickness, and 245g weight make it a substantial timepiece, it wears better than its dimensions might suggest. Overall, owners and reviewers highlight the Boldr Odyssey Regatta's workhorse movement and functional tool-watch capabilities.

From video reviewers

500m water resistance is a consistently praised feature. The watch's significant weight and large case size were noted as drawbacks by multiple reviewers. Reviewers disagreed on whether the bezel's 15-minute markings were redundant given the regatta complication.

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