What are the case specifications of the Seiko?

The Seiko features a 27.2mm diameter, 6.4mm thick case with a sapphire crystal crystal.

What is the water resistance of the Seiko?

The Seiko has a water resistance rating of 50m (rain/splash).

What movement does the Seiko use?

The Seiko is powered by a Quartz, caliber 4N30.

Seiko SWR104

Quartz

Ref. SWR104

Case size: 27.2mmMovement: 4N30

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Last updated 8 Oct 2026Suggest a correction

TECHNICAL SPECIFICATIONS

GENERAL

Gender

Men

CASE

Diameter

27.2mm

Thickness

6.4mm

Lug to Lug

39mm

Lug Width

22mm

Water Resistance

50m

Crystal

Sapphire Crystal

MOVEMENT

Movement Type

Quartz

Caliber

4N30

BRACELET/STRAP

Bracelet/Strap

Leather

QuartzSteel

Seiko

HGG001P1

QuartzSteel

Seiko

HGG002

QuartzSteel

Seiko

HGG002P1

QuartzSteel

QUICK FACTS

BRAND

Seiko

REFERENCE

SWR104

MOVEMENT

Quartz

CALIBER

4N30

CRYSTAL

Sapphire Crystal

WATER RESISTANCE

50m (rain/splash)

GENDER

Men

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Last updated 8 Oct 2026Suggest a correction

FOR WATCH DEALERS

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Seiko SWR104

TECHNICAL SPECIFICATIONS

GENERAL

CASE

MOVEMENT

BRACELET/STRAP

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QUICK FACTS

FOR WATCH DEALERS