Seiko Cal. 4577 - 915

This Solar model from 1965 features a 46mm Stainless Steel case. Powered by the 4577 caliber with 17j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-4927b70481c7]

Also known as: Bullhead, Bellmatic

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

15.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Champagne

Jewels

17j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1965

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