What are the case specifications of the Seiko?

The Seiko features a 12.8mm thick, Steel case with a sapphire crystal 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 caliber 6R27, 45h power reserve.

Seiko SPB091J1

Steel

Ref. SPB091J1

Movement: 6R27

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Last updated 8 Oct 2026Suggest a correction

TECHNICAL SPECIFICATIONS

GENERAL

Gender

Men

CASE

Thickness

12.8mm

Case Material

Steel

Water Resistance

100m

Crystal

Sapphire Crystal

MOVEMENT

Caliber

6R27

Power Reserve

45h

Frequency

28,800 vph (4 Hz)

Jewels

29 jewels

DIAL

Dial Color

Blue

BRACELET/STRAP

Bracelet/Strap

Steel

FEATURES & COMPLICATIONS

Date

SARW071

AutomaticSteel

QUICK FACTS

BRAND

Seiko

REFERENCE

SPB091J1

CALIBER

6R27

CASE MATERIAL

Steel

CRYSTAL

Sapphire Crystal

WATER RESISTANCE

100m (swimming)

GENDER

Men

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Last updated 8 Oct 2026Suggest a correction

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Seiko SPB091J1

TECHNICAL SPECIFICATIONS

GENERAL

CASE

MOVEMENT

DIAL

BRACELET/STRAP

FEATURES & COMPLICATIONS

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