Seiko Cal. 6356 - 331

This Spring Drive model from 1988 features a 39mm Hardlex-Coated Steel case. It features a Champagne dial protected by a Acrylic crystal and offers 130m of water resistance. [seikata-wm-6004eb23ec9b]

Also known as: Monster, UFO

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

9.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Champagne

Jewels

18j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1988

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