Which is cheaper, the Oblvlo GCM Mechanical or the Hamilton Khaki Aviation Day Date Auto?

At MSRP the Oblvlo GCM Mechanical is the cheaper of the two at $231, against $1,125 for the Hamilton Khaki Aviation Day Date Auto — a $894 gap before any retailer discounting.

Which is bigger, the Oblvlo GCM Mechanical or the Hamilton Khaki Aviation Day Date Auto?

The Hamilton Khaki Aviation Day Date Auto wears larger at 42mm versus 41mm for the Oblvlo GCM Mechanical — a 1mm difference across the dial.

Which has better water resistance, the Oblvlo GCM Mechanical or the Hamilton Khaki Aviation Day Date Auto?

The Hamilton Khaki Aviation Day Date Auto is rated to 100m versus 50m for the Oblvlo GCM Mechanical.

Which has a longer power reserve, the Oblvlo GCM Mechanical or the Hamilton Khaki Aviation Day Date Auto?

The Hamilton Khaki Aviation Day Date Auto carries a 80-hour power reserve against 42 hours on the Oblvlo GCM Mechanical.

What movement does the Oblvlo GCM Mechanical run compared to the Hamilton Khaki Aviation Day Date Auto?

Both watches run automatic movements — the Oblvlo GCM Mechanical uses the Miyota 82S5 and the Hamilton Khaki Aviation Day Date Auto uses the H-40.

Side by side

Oblvlo GCM MechanicalvsHamilton Khaki Aviation Day Date Auto

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

Oblvlo GCM Mechanical

GCM-MUT

MSRP $231

Hamilton Khaki Aviation Day Date Auto

h64645131

MSRP $1,125

At a glance

9 of 29 specs differ

Diameter

GCM Mechanical41mm

Khaki Aviation Day Date Auto42mm

Power Reserve

GCM Mechanical42h

Khaki Aviation Day Date Auto80h

Water Resistance

GCM Mechanical50m

Khaki Aviation Day Date Auto100m

MSRP

GCM Mechanical$231

Khaki Aviation Day Date Auto$1,125

Full specifications

Case

5 specs

Crystal & Dial

1 specs

Lume

Super-LumiNova

None

Movement

2 specs

Caliber

Miyota 82S5

H-40

Power Reserve

42h

80h

Pricing

1 specs

MSRP

$231

$1,125

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