Which is cheaper, the Oblvlo GCM Mechanical or the Seiko Astron?

At MSRP the Oblvlo GCM Mechanical is the cheaper of the two at $231, against $2,500 for the Seiko Astron — a $2,269 gap before any retailer discounting.

Which is bigger, the Oblvlo GCM Mechanical or the Seiko Astron?

The Seiko Astron 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 Seiko Astron?

The Oblvlo GCM Mechanical is rated to 50m versus 10m for the Seiko Astron.

Which has a longer power reserve, the Oblvlo GCM Mechanical or the Seiko Astron?

The Oblvlo GCM Mechanical carries a 42-hour power reserve against 40 hours on the Seiko Astron.

What movement does the Oblvlo GCM Mechanical run compared to the Seiko Astron?

The Oblvlo GCM Mechanical runs a automatic caliber (Miyota 82S5), while the Seiko Astron runs a quartz (5X83).

Side by side

Oblvlo GCM MechanicalvsSeiko Astron

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

Oblvlo GCM Mechanical

GCM-MUT

MSRP $231

Seiko Astron

ssh159j1

MSRP $2,500

At a glance

14 of 29 specs differ

Diameter

GCM Mechanical41mm

Astron42mm

Power Reserve

GCM Mechanical42h

Astron40h

Water Resistance

GCM Mechanical50m

Astron100m

MSRP

GCM Mechanical$231

Astron$2,500

Full specifications

Case

7 specs

Crystal & Dial

2 specs

AR Coating

Inner

Super-clear coating

Lume

Super-LumiNova

LumiBrite on hands and index(es)

Movement

4 specs

Caliber

Miyota 82S5

5X83

Type

Automatic

Quartz

Power Reserve

42h

40h

Jewels

Pricing

1 specs

MSRP

$231

$2,500

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