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

At MSRP the Oblvlo GCM Mechanical is the cheaper of the two at $231, against $1,045 for the Hamilton Jazzmaster Day Date Auto — a $814 gap before any retailer discounting.

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

The Oblvlo GCM Mechanical wears larger at 41mm versus 40mm for the Hamilton Jazzmaster Day Date Auto — a 1mm difference across the dial.

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

The Hamilton Jazzmaster 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 Jazzmaster Day Date Auto?

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

Side by side

Oblvlo GCM MechanicalvsHamilton Jazzmaster 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 Jazzmaster Day Date Auto

h32505131

MSRP $1,045

At a glance

8 of 29 specs differ

Diameter

GCM Mechanical41mm

Jazzmaster Day Date Auto40mm

Power Reserve

GCM Mechanical42h

Jazzmaster Day Date Auto80h

Water Resistance

GCM Mechanical50m

Jazzmaster Day Date Auto50m

MSRP

GCM Mechanical$231

Jazzmaster Day Date Auto$1,045

Full specifications

Case

4 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

$1,045

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