What are the case specifications of the Seiko Prospex?

The Seiko Prospex features a 41.3mm diameter, 12.5mm thick, Steel case with a sapphire crystal crystal.

What movement does the Seiko Prospex use?

The Seiko Prospex is powered by a Automatic, caliber 6R55, 72h power reserve.

Seiko Prospex

AutomaticSteel

Ref. SBDC201

Collection: ProspexCase size: 41.3mmMovement: 6R55

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Last updated 8 Oct 2026Suggest a correction

TECHNICAL SPECIFICATIONS

CASE

Diameter

41.3mm

Thickness

12.5mm

Lug to Lug

48.2mm

Case Material

Steel

Crystal

Sapphire Crystal

MOVEMENT

Movement Type

Automatic

Caliber

6R55

Power Reserve

72h

Frequency

21,600 vph (3 Hz)

Jewels

24 jewels

BRACELET/STRAP

Clasp Type

Fold Clasp

FEATURES & COMPLICATIONS

Luminous handsLuminous indicesRotating BezelScrew-Down Crown

HBC006J1

AutomaticSteel

QUICK FACTS

BRAND

Seiko

REFERENCE

SBDC201

COLLECTION

Prospex

MOVEMENT

Automatic

CALIBER

6R55

CASE MATERIAL

Steel

CRYSTAL

Sapphire Crystal

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Last updated 8 Oct 2026Suggest a correction

FOR WATCH DEALERS

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Seiko Prospex

TECHNICAL SPECIFICATIONS

CASE

MOVEMENT

BRACELET/STRAP

FEATURES & COMPLICATIONS

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