Seiko Cal. 4551 - 336

This Spring Drive model from 1968 features a 36mm PVD Black case. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-e2a40f701137]

Also known as: Monster, Emperor

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

14.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1968

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