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Seiko Prospex Sea

Seiko Prospex Sea

AutomaticSteel

Ref. SPB439J1

Collection: ProspexCase size: 42mmMovement: 6R54
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Last updated 8 Oct 2026Suggest a correction

TECHNICAL SPECIFICATIONS

GENERAL

Gender

Men

Limited Edition

1,500 pieces

CASE

Diameter

42mm

Thickness

12.9mm

Lug to Lug

48.6mm

Lug Width

20mm

Case Material

Steel

Water Resistance

200m

Crystal

Sapphire Crystal

Bezel Material

Ceramic

MOVEMENT

Movement Type

Automatic

Caliber

6R54

Power Reserve

72h

Frequency

21,600 vph (3 Hz)

Jewels

24 jewels

BRACELET/STRAP

Clasp Type

Fold Clasp

FEATURES & COMPLICATIONS

GMTLimited EditionLuminous handsLuminous indicesRotating BezelScrew-Down Crown

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FOR WATCH DEALERS

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