Seiko Cal. 4551 - 583

This Spring Drive model from 1978 features a 44mm Stainless Steel case. It features a Navy dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-709041f3606b]

Also known as: Monster, Panda

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

12.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

23j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1978

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