What are the case specifications of the Seiko?

The Seiko features a 40mm diameter, 9.8mm thick case with a mineral glass crystal.

What is the water resistance of the Seiko?

The Seiko has a water resistance rating of 100m (swimming).

What movement does the Seiko use?

The Seiko is powered by a Quartz, caliber 6N52.

Seiko SUR503

Quartz

Ref. SUR503

Case size: 40mmMovement: 6N52

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Last updated 8 Oct 2026Suggest a correction

TECHNICAL SPECIFICATIONS

GENERAL

Gender

Men

CASE

Diameter

40mm

Thickness

9.8mm

Lug to Lug

47.5mm

Lug Width

22mm

Water Resistance

100m

Crystal

Mineral Glass

MOVEMENT

Movement Type

Quartz

Caliber

6N52

BRACELET/STRAP

Clasp Type

Fold Clasp

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QUICK FACTS

BRAND

Seiko

REFERENCE

SUR503

MOVEMENT

Quartz

CALIBER

6N52

CRYSTAL

Mineral Glass

WATER RESISTANCE

100m (swimming)

GENDER

Men

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Last updated 8 Oct 2026Suggest a correction

FOR WATCH DEALERS

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Seiko SUR503

TECHNICAL SPECIFICATIONS

GENERAL

CASE

MOVEMENT

BRACELET/STRAP

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