Seiko Cal. 4577 - 869

This Solar model from 1973 features a 46mm Stainless Steel case. Powered by the 4577 caliber with 26j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-9325f0983a25]

Also known as: Helmet, UFO

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

9.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

170m

Dial Color

White

Jewels

26j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1973

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