What are the case specifications of the Seiko Prospex?

The Seiko Prospex features a 45mm diameter, 13.4mm thick, Steel case with a sapphire crystal crystal.

What movement does the Seiko Prospex use?

The Seiko Prospex is powered by a Automatic, caliber 6R35, 70h power reserve.

Seiko Prospex

AutomaticSteel

Ref. SBDC189

Collection: ProspexCase size: 45mmMovement: 6R35

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Last updated 8 Oct 2026Suggest a correction

TECHNICAL SPECIFICATIONS

CASE

Diameter

45mm

Thickness

13.4mm

Lug to Lug

52.6mm

Case Material

Steel

Crystal

Sapphire Crystal

MOVEMENT

Movement Type

Automatic

Caliber

6R35

Power Reserve

70h

Frequency

21,600 vph (3 Hz)

Jewels

24 jewels

BRACELET/STRAP

Clasp Type

Fold Clasp

FEATURES & COMPLICATIONS

DateLuminous handsLuminous indicesRotating BezelScrew-Down CrownSpecial Edition

SARX091

AutomaticSteel

QUICK FACTS

BRAND

Seiko

REFERENCE

SBDC189

COLLECTION

Prospex

MOVEMENT

Automatic

CALIBER

6R35

CASE MATERIAL

Steel

CRYSTAL

Sapphire Crystal

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Last updated 8 Oct 2026Suggest a correction

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Seiko Prospex

TECHNICAL SPECIFICATIONS

CASE

MOVEMENT

BRACELET/STRAP

FEATURES & COMPLICATIONS

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