Seiko Cal. 5661 - 589

This Hand-Winding model from 1978 features a 37mm PVD Black case. With its 22mm lug width and 9.2mm profile, it sits comfortably on most wrists. [seikata-wm-f4b50b18522d]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

9.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

70m

Dial Color

Black

Jewels

19j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1978

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