Which is cheaper, the Sangin Instruments Professional or the Seiko 5KX?

At MSRP the Seiko 5KX is the cheaper of the two at $350, against $679 for the Sangin Instruments Professional — a $329 gap before any retailer discounting.

Which is bigger, the Sangin Instruments Professional or the Seiko 5KX?

The Sangin Instruments Professional wears larger at 43.5mm versus 42.5mm for the Seiko 5KX — a 1mm difference across the dial.

Which has better water resistance, the Sangin Instruments Professional or the Seiko 5KX?

The Sangin Instruments Professional is rated to 300m versus 10m for the Seiko 5KX.

What movement does the Sangin Instruments Professional run compared to the Seiko 5KX?

The Sangin Instruments Professional runs a quartz caliber (Quartz (Ronda GMT)), while the Seiko 5KX runs a automatic (4R36).

Side by side

Sangin Instruments ProfessionalvsSeiko 5KX

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

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Sangin Instruments Professional

MSRP $679

See the full Professional

Seiko 5KX

MSRP $350

See the full 5KX

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At a glance

15 of 29 specs differ

Diameter

Professional43.5mm

5KX42.5mm

Power Reserve

Professional—

5KX41h

Water Resistance

Professional300m

5KX100m

MSRP

Professional$679

5KX$350

Full specifications

Case

7 specs

Crystal & Dial

3 specs

Crystal

—

Hardlex

Dial Color

Midnight Black

—

Lume

None

LumiBrite on hands and index(es)

Movement

4 specs

Caliber

Quartz (Ronda GMT)

4R36

Type

Quartz

Automatic

Power Reserve

41h

Jewels

Pricing

1 specs

MSRP

$679

$350

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Sangin Instruments ProfessionalvsSeiko 5KX

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