Which is cheaper, the Seiko 5KX or the Svalbard Regulator FM25?

At MSRP the Svalbard Regulator FM25 is the cheaper of the two at $180, against $350 for the Seiko 5KX — a $170 gap before any retailer discounting.

Which is bigger, the Seiko 5KX or the Svalbard Regulator FM25?

The Seiko 5KX wears larger at 42.5mm versus 40mm for the Svalbard Regulator FM25 — a 2.5mm difference across the dial.

Which has better water resistance, the Seiko 5KX or the Svalbard Regulator FM25?

The Svalbard Regulator FM25 is rated to 50m versus 10m for the Seiko 5KX.

What movement does the Seiko 5KX run compared to the Svalbard Regulator FM25?

Both watches run automatic movements — the Seiko 5KX uses the Seiko 4R36 and the Svalbard Regulator FM25 uses the Svalbard GM25.

Side by side

Seiko 5KXvsSvalbard Regulator FM25

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

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Seiko 5KX

MSRP $350

See the full 5KX

Svalbard Regulator FM25

MSRP $180

See the full Regulator FM25

At a glance

13 of 29 specs differ

Diameter

5KX42.5mm

Regulator FM2540mm

Power Reserve

5KX41h

Regulator FM25—

Water Resistance

5KX100m

Regulator FM2550m

MSRP

5KX$350

Regulator FM25$180

Full specifications

Case

6 specs

Crystal & Dial

3 specs

Crystal

Hardlex

Sapphire

Dial Color

—

Lume

LumiBrite on hands and index(es)

None

Movement

3 specs

Caliber

Seiko 4R36

Svalbard GM25

Power Reserve

41h

—

Jewels

Pricing

1 specs

MSRP

$350

$180

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Seiko 5KXvsSvalbard Regulator FM25

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