Seiko Cal. 4581 - 321

This Solar model from 1973 features a 43mm Stainless Steel case. Powered by the 4581 caliber with 28j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-b30efb101185]

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

12.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Navy

Jewels

28j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1973

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