Seiko Cal. 4590 - 601

This Spring Drive model from 1977 features a 39mm Gold-Plated case. Powered by the 4590 caliber with 29j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-865b32148e92]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

15.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

70m

Dial Color

Champagne

Jewels

29j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1977

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