Seiko Cal. 4580 - 380

This Spring Drive model from 1976 features a 44mm Gold-Plated case. It features a Black dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-35a5366153f0]

Also known as: Monster, Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

12.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

70m

Dial Color

Black

Jewels

26j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1976

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