Seiko Cal. 4581 - 872

This Solar model from 1977 features a 42mm Hardlex-Coated Steel case. Powered by the 4581 caliber with 31j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-6dcc883b0ce4]

Also known as: Samurai, Baby Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

8.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Cream

Jewels

31j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1977

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