Seiko Cal. 4578 - 988

This Solar model from 1966 features a 36mm PVD Black case. Powered by the 4578 caliber with 35j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-4ab24d9c3421]

Also known as: Bullhead, UFO

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

36mm

Case Thickness

15.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Champagne

Jewels

35j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1966

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