What are the case specifications of the Seiko?

The Seiko features a 22.2mm diameter, 7.2mm thick, 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 4N30.

Seiko HGG001

QuartzSteel

Ref. HGG001

Case size: 22.2mmMovement: 4N30

Add to my inventory

Free account required - pre-fills all specs automatically

Last updated 8 Oct 2026Suggest a correction

TECHNICAL SPECIFICATIONS

GENERAL

Gender

Women

CASE

Diameter

22.2mm

Thickness

7.2mm

Lug to Lug

33.1mm

Lug Width

16mm

Case Material

Steel

Water Resistance

50m

Crystal

Mineral Glass

MOVEMENT

Movement Type

Quartz

Caliber

4N30

BRACELET/STRAP

Clasp Type

Fold Clasp

QuartzSteel

Seiko

HGG002

QuartzSteel

Seiko

HGG002P1

QuartzSteel

Seiko

Seiko Selection Regular price

SSEH001

QuartzSteel

QUICK FACTS

BRAND

Seiko

REFERENCE

HGG001

MOVEMENT

Quartz

CALIBER

4N30

CASE MATERIAL

Steel

CRYSTAL

Mineral Glass

WATER RESISTANCE

50m (rain/splash)

GENDER

Women

Add to my inventory

Last updated 8 Oct 2026Suggest a correction

FOR WATCH DEALERS

Trading the Seiko HGG001?

Clone any catalog watch into your stock, sync it to Chrono24 and eBay, and invoice it with your own tax settings.

Explore dealer tools See inventory management

Seiko HGG001

TECHNICAL SPECIFICATIONS

GENERAL

CASE

MOVEMENT

BRACELET/STRAP

More from Seiko

Astron NEXTER

Astron

Astron NEXTER

Astron

Astron NEXTER

Astron

Astron NEXTER

Astron

Other watches with the 4N30 calibre

Lukia LUKIA Grow

Lukia LUKIA Grow

Lukia LUKIA Grow

Lukia LUKIA Grow

HGG001P1

HGG002

HGG002P1

Seiko Selection Regular price

QUICK FACTS

FOR WATCH DEALERS