Seiko Cal. 4591 - 645

This Hand-Winding model from 1979 features a 35mm PVD Black case. With its 20mm lug width and 13.1mm profile, it sits comfortably on most wrists. [seikata-wm-382516e325bb]

Also known as: UFO, Navigator

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

35mm

Case Thickness

13.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Green

Jewels

34j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1979

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