Seiko Cal. 4581 - 600

This Spring Drive model from 1971 features a 35mm Stainless Steel case. Powered by the 4581 caliber with 25j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-7ddf604f370c]

Also known as: Samurai, Flighty

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

12.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

White

Jewels

25j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1971

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