Which is cheaper, the Grand Seiko SBGM245 or the Straum Jan Mayen?

At MSRP the Straum Jan Mayen is the cheaper of the two at $2,200, against $6,100 for the Grand Seiko SBGM245 — a $3,900 gap before any retailer discounting.

Which is bigger, the Grand Seiko SBGM245 or the Straum Jan Mayen?

The Grand Seiko SBGM245 wears larger at 40.5mm versus 38.7mm for the Straum Jan Mayen — a 1.8mm difference across the dial.

Which has better water resistance, the Grand Seiko SBGM245 or the Straum Jan Mayen?

The Grand Seiko SBGM245 is rated to 200m versus 100m for the Straum Jan Mayen.

Which has a longer power reserve, the Grand Seiko SBGM245 or the Straum Jan Mayen?

The Grand Seiko SBGM245 carries a 72-hour power reserve against 68 hours on the Straum Jan Mayen.

What movement does the Grand Seiko SBGM245 run compared to the Straum Jan Mayen?

Both watches run automatic movements — the Grand Seiko SBGM245 uses the Grand Seiko 9S66 and the Straum Jan Mayen uses the La Joux-Perret G101.

Side by side

Grand Seiko SBGM245vsStraum Jan Mayen

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

MSRP $6,100

jan-mayen-alpine-glow

MSRP $2,200

See the full Jan Mayen

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At a glance

10 of 29 specs differ

Diameter

SBGM24540.5mm

Jan Mayen38.7mm

Power Reserve

SBGM24572h

Jan Mayen68h

Water Resistance

SBGM245200m

Jan Mayen100m

MSRP

SBGM245$6,100

Jan Mayen$2,200

Full specifications

Case

6 specs

Crystal & Dial

1 specs

AR Coating

Yes

—

Movement

2 specs

Caliber

Grand Seiko 9S66

La Joux-Perret G101

Power Reserve

72h

68h

Pricing

1 specs

MSRP

$6,100

$2,200

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Grand Seiko SBGM245vsStraum Jan Mayen

At a glance

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