Which is cheaper, the Oblvlo GCM Mechanical or the Grand Seiko SBGX355?

At MSRP the Oblvlo GCM Mechanical is the cheaper of the two at $231, against $4,100 for the Grand Seiko SBGX355 — a $3,869 gap before any retailer discounting.

Which is bigger, the Oblvlo GCM Mechanical or the Grand Seiko SBGX355?

The Oblvlo GCM Mechanical wears larger at 41mm versus 37mm for the Grand Seiko SBGX355 — a 4mm difference across the dial.

Which has better water resistance, the Oblvlo GCM Mechanical or the Grand Seiko SBGX355?

The Grand Seiko SBGX355 is rated to 100m versus 50m for the Oblvlo GCM Mechanical.

Which has a longer power reserve, the Oblvlo GCM Mechanical or the Grand Seiko SBGX355?

The Oblvlo GCM Mechanical carries a 42-hour power reserve against 40 hours on the Grand Seiko SBGX355.

What movement does the Oblvlo GCM Mechanical run compared to the Grand Seiko SBGX355?

The Oblvlo GCM Mechanical runs a automatic caliber (Miyota 82S5), while the Grand Seiko SBGX355 runs a quartz (9F62).

Side by side

Oblvlo GCM MechanicalvsGrand Seiko SBGX355

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

Oblvlo GCM Mechanical

GCM-MUT

MSRP $231

Grand Seiko SBGX355

sbgx355g

MSRP $4,100

At a glance

13 of 29 specs differ

Diameter

GCM Mechanical41mm

SBGX35537mm

Power Reserve

GCM Mechanical42h

SBGX35540h

Water Resistance

GCM Mechanical50m

SBGX355100m

MSRP

GCM Mechanical$231

SBGX355$4,100

Full specifications

Case

7 specs

Crystal & Dial

2 specs

AR Coating

Inner

Yes

Lume

Super-LumiNova

None

Movement

3 specs

Caliber

Miyota 82S5

9F62

Type

Automatic

Quartz

Power Reserve

42h

40h

Pricing

1 specs

MSRP

$231

$4,100

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Oblvlo GCM MechanicalvsGrand Seiko SBGX355

At a glance

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