What are the case specifications of the Seiko?

The Seiko features a 26.5mm diameter, Steel case with a mineral glass 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 6N01.

Seiko SUR670

QuartzSteel

Ref. SUR670

Case size: 26.5mmMovement: 6N01

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Last updated 8 Oct 2026Suggest a correction

TECHNICAL SPECIFICATIONS

GENERAL

Gender

Women

CASE

Diameter

26.5mm

Case Material

Steel

Water Resistance

50m

Crystal

Mineral Glass

MOVEMENT

Movement Type

Quartz

Caliber

6N01

BRACELET/STRAP

Clasp Type

Fold Clasp

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QUICK FACTS

BRAND

Seiko

REFERENCE

SUR670

MOVEMENT

Quartz

CALIBER

6N01

CASE MATERIAL

Steel

CRYSTAL

Mineral Glass

WATER RESISTANCE

50m (rain/splash)

GENDER

Women

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Last updated 8 Oct 2026Suggest a correction

FOR WATCH DEALERS

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Seiko SUR670

TECHNICAL SPECIFICATIONS

GENERAL

CASE

MOVEMENT

BRACELET/STRAP

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FOR WATCH DEALERS