Seiko Cal. 4591 - 378

The Seiko 4591-378 represents an important milestone in Seiko's 1980 lineup. It features a Cream dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-1e0ab7cf0a18]

Also known as: Monster, Baby Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

9.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

200m

Dial Color

Cream

Jewels

26j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1980

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