Which has a longer power reserve, the Hamilton American Classic RailRoad Auto Chrono or the Oblvlo JM Space?

The Hamilton American Classic RailRoad Auto Chrono carries a 60-hour power reserve against 40 hours on the Oblvlo JM Space.

Side by side

Hamilton American Classic RailRoad Auto ChronovsOblvlo JM Space

Q: Which is cheaper, the Hamilton American Classic RailRoad Auto Chrono or the Oblvlo JM Space?

At MSRP the Oblvlo JM Space is the cheaper of the two at $315, against $2,045 for the Hamilton American Classic RailRoad Auto Chrono — a $1,730 gap before any retailer discounting.

Q: Which is bigger, the Hamilton American Classic RailRoad Auto Chrono or the Oblvlo JM Space?

The Hamilton American Classic RailRoad Auto Chrono wears larger at 44mm versus 42mm for the Oblvlo JM Space — a 2mm difference across the dial.

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

Hamilton American Classic RailRoad Auto Chrono

h40656131

MSRP $2,045

Oblvlo JM Space

JM-SPACE

MSRP $315

At a glance

7 of 29 specs differ

Diameter

American Classic RailRoad Auto Chrono44mm

JM Space42mm

Power Reserve

American Classic RailRoad Auto Chrono60h

JM Space40h

Water Resistance

American Classic RailRoad Auto Chrono50m

JM Space50m

MSRP

American Classic RailRoad Auto Chrono$2,045

JM Space$315

Full specifications

Case

3 specs

Crystal & Dial

1 specs

Lume

None

Super-LumiNova

Movement

2 specs

Caliber

H-21

—

Power Reserve

60h

40h

Pricing

1 specs

MSRP

$2,045

$315

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