Seiko Cal. 4590 - 671

This Hand-Winding model from 1988 features a 39mm PVD Black case. With its 19mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-51bf040cfd1a]

Also known as: UFO, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

9.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

120m

Dial Color

Black

Jewels

36j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1988

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