Seiko Cal. 4492 - 331

This Spring Drive model from 1988 features a 39mm PVD Black case. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-43d9af7ad961]

Also known as: Sumo, Pogue

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

12.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Champagne

Jewels

27j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1988

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